CVE-2026-86193 - Grav API Plugin Authentication Bypass via Group-Inherited Super
CVE ID :CVE-2026-86193
Published : Sept. 5, 2026, 1:18 p.m. | 3 hours, 8 minutes ago
Description :grav-plugin-api before 1.0.20 fails to validate group-inherited super permissions in user-management guards, allowing non-super user managers to modify super-admin accounts. Attackers with api.access and api.users.write can patch password fields on group-super accounts to gain full administrative control.
Severity: 8.7 | HIGH
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CVE ID :CVE-2026-86193
Published : Sept. 5, 2026, 1:18 p.m. | 3 hours, 8 minutes ago
Description :grav-plugin-api before 1.0.20 fails to validate group-inherited super permissions in user-management guards, allowing non-super user managers to modify super-admin accounts. Attackers with api.access and api.users.write can patch password fields on group-super accounts to gain full administrative control.
Severity: 8.7 | HIGH
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CVE-2026-86194 - Grav Form Plugin before 9.1.22 Cross-Page Form Execution
CVE ID :CVE-2026-86194
Published : Sept. 5, 2026, 1:18 p.m. | 3 hours, 8 minutes ago
Description :Grav Form Plugin before 9.1.22 fails to verify page authorization when resolving forms by name across pages, allowing anonymous visitors to execute form actions defined on login-restricted or unpublished pages. Attackers can POST to any public page with a restricted form's name to trigger save, upload, email, or call actions without authentication.
Severity: 6.9 | MEDIUM
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CVE ID :CVE-2026-86194
Published : Sept. 5, 2026, 1:18 p.m. | 3 hours, 8 minutes ago
Description :Grav Form Plugin before 9.1.22 fails to verify page authorization when resolving forms by name across pages, allowing anonymous visitors to execute form actions defined on login-restricted or unpublished pages. Attackers can POST to any public page with a restricted form's name to trigger save, upload, email, or call actions without authentication.
Severity: 6.9 | MEDIUM
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CVE-2026-86195 - grav-plugin-api 1.0.0 through 1.0.19 Privilege Escalation via Dot-Keyed Super Flag
CVE ID :CVE-2026-86195
Published : Sept. 5, 2026, 1:18 p.m. | 3 hours, 8 minutes ago
Description :grav-plugin-api versions before 1.0.20 contain a privilege escalation vulnerability in the InvitationsController where the stripSuperFlags() method only removes nested super flags but fails to strip dot-keyed equivalents like api.super. A non-super user manager with api.access and api.users.write permissions can create an invitation with a dot-keyed super flag in the access payload that bypasses the guard and persists to the new account. Attackers can accept the invitation through the public endpoint without real invitee interaction to create a super-admin account and immediately receive a valid JWT for full site control.
Severity: 8.7 | HIGH
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CVE ID :CVE-2026-86195
Published : Sept. 5, 2026, 1:18 p.m. | 3 hours, 8 minutes ago
Description :grav-plugin-api versions before 1.0.20 contain a privilege escalation vulnerability in the InvitationsController where the stripSuperFlags() method only removes nested super flags but fails to strip dot-keyed equivalents like api.super. A non-super user manager with api.access and api.users.write permissions can create an invitation with a dot-keyed super flag in the access payload that bypasses the guard and persists to the new account. Attackers can accept the invitation through the public endpoint without real invitee interaction to create a super-admin account and immediately receive a valid JWT for full site control.
Severity: 8.7 | HIGH
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CVE-2026-86196 - Grav API Plugin before 1.0.20 Authentication Bypass via Host Header
CVE ID :CVE-2026-86196
Published : Sept. 5, 2026, 1:18 p.m. | 3 hours, 8 minutes ago
Description :Grav API plugin versions before 1.0.20 build password reset links from the untrusted Host header in the forgot-password endpoint, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can send password reset requests for any account with a malicious Host header, intercept the reset token from victim emails, and complete account takeover including super-admin accounts.
Severity: 8.7 | HIGH
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CVE ID :CVE-2026-86196
Published : Sept. 5, 2026, 1:18 p.m. | 3 hours, 8 minutes ago
Description :Grav API plugin versions before 1.0.20 build password reset links from the untrusted Host header in the forgot-password endpoint, allowing unauthenticated attackers to redirect reset tokens to attacker-controlled domains. Attackers can send password reset requests for any account with a malicious Host header, intercept the reset token from victim emails, and complete account takeover including super-admin accounts.
Severity: 8.7 | HIGH
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CVE-2026-86197 - Grav before 2.0.20 Cross-Site Scripting via Assets Sandbox
CVE ID :CVE-2026-86197
Published : Sept. 5, 2026, 1:18 p.m. | 3 hours, 8 minutes ago
Description :Grav before 2.0.20 contains a cross-site scripting vulnerability in the Twig sandbox policy that allowlists addJs and addCss methods on Grav\Common\Assets without proper output escaping. Page editors can inject arbitrary script by registering malicious assets or injecting attributes, which are rendered unescaped into document head tags and executed for all visitors including administrators.
Severity: 5.1 | MEDIUM
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CVE ID :CVE-2026-86197
Published : Sept. 5, 2026, 1:18 p.m. | 3 hours, 8 minutes ago
Description :Grav before 2.0.20 contains a cross-site scripting vulnerability in the Twig sandbox policy that allowlists addJs and addCss methods on Grav\Common\Assets without proper output escaping. Page editors can inject arbitrary script by registering malicious assets or injecting attributes, which are rendered unescaped into document head tags and executed for all visitors including administrators.
Severity: 5.1 | MEDIUM
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CVE-2026-82752 - Ash string length constraints count graphemes, so a combining-mark string of any size passes max_length
CVE ID :CVE-2026-82752
Published : Sept. 5, 2026, 6:17 p.m. | 2 hours, 9 minutes ago
Description :Improper Validation of Specified Quantity in Input vulnerability in ash-project ash allows an attacker to store a value of arbitrary size in an attribute whose length constraint should bound it. Ash measures string length with Elixir's String.length/1, which counts Unicode graphemes, in the max_length and min_length constraints of Ash.Type.String (apply_constraints/2 in lib/ash/type/string.ex), in Ash.Resource.Validation.StringLength, and in the string_length expression function. A grapheme carries an unbounded number of combining marks, so a base character followed by a million combining acute accents is one grapheme and megabytes of data, and satisfies max_length: 2. Where the data layer imposes no independent limit (ETS, Mnesia, or a Postgres text column) the whole value is persisted, so an attacker can write an entire request body into an attribute declared with a small maximum and grow storage without bound. The counting unit also disagrees with the storage layer, which counts codepoints rather than graphemes, so a value accepted by the constraint can still be rejected or truncated by the column. A Postgres varchar(n) column bounds the value itself and is not exposed. This issue affects ash: from 0.10.0 before 3.33.0.
Severity: 5.9 | MEDIUM
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CVE ID :CVE-2026-82752
Published : Sept. 5, 2026, 6:17 p.m. | 2 hours, 9 minutes ago
Description :Improper Validation of Specified Quantity in Input vulnerability in ash-project ash allows an attacker to store a value of arbitrary size in an attribute whose length constraint should bound it. Ash measures string length with Elixir's String.length/1, which counts Unicode graphemes, in the max_length and min_length constraints of Ash.Type.String (apply_constraints/2 in lib/ash/type/string.ex), in Ash.Resource.Validation.StringLength, and in the string_length expression function. A grapheme carries an unbounded number of combining marks, so a base character followed by a million combining acute accents is one grapheme and megabytes of data, and satisfies max_length: 2. Where the data layer imposes no independent limit (ETS, Mnesia, or a Postgres text column) the whole value is persisted, so an attacker can write an entire request body into an attribute declared with a small maximum and grow storage without bound. The counting unit also disagrees with the storage layer, which counts codepoints rather than graphemes, so a value accepted by the constraint can still be rejected or truncated by the column. A Postgres varchar(n) column bounds the value itself and is not exposed. This issue affects ash: from 0.10.0 before 3.33.0.
Severity: 5.9 | MEDIUM
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CVE-2026-0799 - OOBR and OOBW in libpcap before 1.10.7
CVE ID :CVE-2026-0799
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BPF interpreter does not validate the value. In particular uncommon use cases a crafted filter program can cause the interpreter to try reading and writing the OS process memory in the 16GiB starting at the current stack frame on 64-bit architectures and in the entire address space on 32-bit architectures.
Severity: 8.7 | HIGH
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CVE ID :CVE-2026-0799
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :In BPF instructions that load/store a value from/to a scratch memory register the register index is an unsigned 32-bit integer and must not exceed 15, but libpcap BPF interpreter does not validate the value. In particular uncommon use cases a crafted filter program can cause the interpreter to try reading and writing the OS process memory in the 16GiB starting at the current stack frame on 64-bit architectures and in the entire address space on 32-bit architectures.
Severity: 8.7 | HIGH
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CVE-2026-18238 - OOBR in rpcap client in libpcap before 1.10.7
CVE ID :CVE-2026-18238
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :The rpcap client code that processes a RPCAP_MSG_PACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the captured packet.
Severity: 5.0 | MEDIUM
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CVE ID :CVE-2026-18238
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :The rpcap client code that processes a RPCAP_MSG_PACKET message received from the server incorrectly validates its headers. A malicious server can send a crafted message and cause the client to treat up to 20 bytes of the client process memory beyond the end of the buffer as if it was a part of the captured packet.
Severity: 5.0 | MEDIUM
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CVE-2026-18313 - rpcapd memory leak in libpcap before 1.10.7
CVE ID :CVE-2026-18313
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :rpcapd can allocate up to 65536 bytes per each RPCAP_MSG_UPDATEFILTER_REQ or RPCAP_MSG_STARTCAP_REQ message received from the client, but it never frees the memory, so it leaks memory even under normal use. A malicious client can cause the server to leak memory substantially faster.
Severity: 4.3 | MEDIUM
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CVE ID :CVE-2026-18313
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :rpcapd can allocate up to 65536 bytes per each RPCAP_MSG_UPDATEFILTER_REQ or RPCAP_MSG_STARTCAP_REQ message received from the client, but it never frees the memory, so it leaks memory even under normal use. A malicious client can cause the server to leak memory substantially faster.
Severity: 4.3 | MEDIUM
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CVE-2026-31911 - abort() in libpcap before 1.10.7 on an invalid BPF opcode
CVE ID :CVE-2026-31911
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :libpcap BPF interpreter calls abort() if it encounters a BPF instruction that has an invalid opcode. In particular uncommon use cases a crafted filter program can terminate the OS process.
Severity: 5.5 | MEDIUM
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CVE ID :CVE-2026-31911
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :libpcap BPF interpreter calls abort() if it encounters a BPF instruction that has an invalid opcode. In particular uncommon use cases a crafted filter program can terminate the OS process.
Severity: 5.5 | MEDIUM
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CVE-2026-31912 - OOBR in libpcap before 1.10.7
CVE ID :CVE-2026-31912
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :libpcap BPF interpreter detects neither reaching the end of the filter program buffer due to lack of a return instruction nor executing a jump instruction with an offset that translates to a pointer outside of the buffer. In particular uncommon use cases a crafted filter program can cause the interpreter to try reading the OS process memory in the 32GiB around the buffer on 64-bit architectures and in the entire address space on 32-bit architectures.
Severity: 5.5 | MEDIUM
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CVE ID :CVE-2026-31912
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :libpcap BPF interpreter detects neither reaching the end of the filter program buffer due to lack of a return instruction nor executing a jump instruction with an offset that translates to a pointer outside of the buffer. In particular uncommon use cases a crafted filter program can cause the interpreter to try reading the OS process memory in the 32GiB around the buffer on 64-bit architectures and in the entire address space on 32-bit architectures.
Severity: 5.5 | MEDIUM
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CVE-2026-6244 - division by zero in libpcap before 1.10.7
CVE ID :CVE-2026-6244
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :libpcap BPF interpreter for the 'div #k' and 'mod #k' ALU instructions does not check whether the immediate value is zero. In particular uncommon use cases a crafted filter program can cause a division by zero.
Severity: 5.5 | MEDIUM
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CVE ID :CVE-2026-6244
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :libpcap BPF interpreter for the 'div #k' and 'mod #k' ALU instructions does not check whether the immediate value is zero. In particular uncommon use cases a crafted filter program can cause a division by zero.
Severity: 5.5 | MEDIUM
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CVE-2026-6554 - infinte loop in libpcap before 1.10.7
CVE ID :CVE-2026-6554
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :libpcap BPF interpreter treats the offset in the 'ja L' BPF instruction as a signed integer to implement looping via backward jumps, but it does not limit the number of loop iterations. In particular uncommon use cases a crafted filter program can cause the interpreter to loop infinitely.
Severity: 5.5 | MEDIUM
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CVE ID :CVE-2026-6554
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :libpcap BPF interpreter treats the offset in the 'ja L' BPF instruction as a signed integer to implement looping via backward jumps, but it does not limit the number of loop iterations. In particular uncommon use cases a crafted filter program can cause the interpreter to loop infinitely.
Severity: 5.5 | MEDIUM
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CVE-2026-86207 - Authentication bypass leads to unauthorised access to N-central
CVE ID :CVE-2026-86207
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :An authentication bypass in N-central < 2026.3 HF 3 leads to authentication bypass in internal only APIs
Severity: 7.7 | HIGH
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CVE ID :CVE-2026-86207
Published : Sept. 5, 2026, 7:16 p.m. | 1 hour, 10 minutes ago
Description :An authentication bypass in N-central < 2026.3 HF 3 leads to authentication bypass in internal only APIs
Severity: 7.7 | HIGH
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CVE-2026-86206 - Access control filter bypass allows unauthorised access to APIs
CVE ID :CVE-2026-86206
Published : Sept. 5, 2026, 7:17 p.m. | 1 hour, 9 minutes ago
Description :A vulnerability in the N-central internal API access control filter allows unauthorised access to internal APIs. This is fixed in N-central 2026.3 HF3 and 2026.4
Severity: 6.9 | MEDIUM
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CVE ID :CVE-2026-86206
Published : Sept. 5, 2026, 7:17 p.m. | 1 hour, 9 minutes ago
Description :A vulnerability in the N-central internal API access control filter allows unauthorised access to internal APIs. This is fixed in N-central 2026.3 HF3 and 2026.4
Severity: 6.9 | MEDIUM
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CVE-2026-67276 - SSH user impersonation possible in Mikrotik RouterOS
CVE ID :CVE-2026-67276
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :RouterOS does not compare the complete RSA public key when matching an SSH authentication request to an authorized user key, checking the key type and modulus but omitting the exponent. Because signature verification uses the client-supplied key, an attacker knowing an authorized RSA modulus can supply a key with exponent one, forge a valid signature, and open an SSH command channel as the target user without the private key.This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 9.2 | CRITICAL
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CVE ID :CVE-2026-67276
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :RouterOS does not compare the complete RSA public key when matching an SSH authentication request to an authorized user key, checking the key type and modulus but omitting the exponent. Because signature verification uses the client-supplied key, an attacker knowing an authorized RSA modulus can supply a key with exponent one, forge a valid signature, and open an SSH command channel as the target user without the private key.This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 9.2 | CRITICAL
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CVE-2026-67277 - Kernel memory disclosure and denial of service in MikroTik RouterOS btest service
CVE ID :CVE-2026-67277
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :RouterOS accepts a "related" btest connection before the corresponding primary session has completed authentication. An unauthenticated client can use this state to start an IPv4 UDP test. With "random-data=false", the sender transmits an uninitialized tail from a kernel packet buffer. A separate unchecked, inverted packet-size interval causes unsigned integer underflow, anomalously large fragmented output, and can restart the RouterOS kernel. This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 8.8 | HIGH
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CVE ID :CVE-2026-67277
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :RouterOS accepts a "related" btest connection before the corresponding primary session has completed authentication. An unauthenticated client can use this state to start an IPv4 UDP test. With "random-data=false", the sender transmits an uninitialized tail from a kernel packet buffer. A separate unchecked, inverted packet-size interval causes unsigned integer underflow, anomalously large fragmented output, and can restart the RouterOS kernel. This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 8.8 | HIGH
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CVE-2026-67278 - TLS server impersonation possible in Mikrotik RouterOS
CVE ID :CVE-2026-67278
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :MikroTik RouterOS accepts malformed RSA/PKCS#1 v1.5 signatures during X.509 validation. Because its trust store includes an e=3 root CA, an attacker controlling or redirecting an outbound RouterOS TLS connection can use the root’s public certificate - without its private key - to forge a trusted intermediate and issue certificates for arbitrary hostnames, enabling TLS server impersonation. This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 6.3 | MEDIUM
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CVE ID :CVE-2026-67278
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :MikroTik RouterOS accepts malformed RSA/PKCS#1 v1.5 signatures during X.509 validation. Because its trust store includes an e=3 root CA, an attacker controlling or redirecting an outbound RouterOS TLS connection can use the root’s public certificate - without its private key - to forge a trusted intermediate and issue certificates for arbitrary hostnames, enabling TLS server impersonation. This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 6.3 | MEDIUM
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CVE-2026-67279 - SSH Pre-Authentication Rekey State Bypass in MikroTik RouterOS
CVE ID :CVE-2026-67279
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :RouterOS SSH enters the connection protocol after a client-requested rekey even though user authentication was never attempted, allowing an unauthenticated client to open a session channel and send an exec request. On affected builds the server dispatches the command, enabling unauthenticated creation, overwrite, and reconstruction of files in the RouterOS managed file namespace, including support files containing configuration and diagnostic data.This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 6.9 | MEDIUM
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CVE ID :CVE-2026-67279
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :RouterOS SSH enters the connection protocol after a client-requested rekey even though user authentication was never attempted, allowing an unauthenticated client to open a session channel and send an exec request. On affected builds the server dispatches the command, enabling unauthenticated creation, overwrite, and reconstruction of files in the RouterOS managed file namespace, including support files containing configuration and diagnostic data.This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 6.9 | MEDIUM
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CVE-2026-67281 - Unauthenticated file read in Mikrotik RouterOS
CVE ID :CVE-2026-67281
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :RouterOS WebFig contains an unauthenticated file-read vulnerability in the /jsproxy path where a newly allocated session retains a stale uninitialized principal pointer used for file authorization. An unauthenticated attacker can prepare the allocator so that the file-serving path dereferences this pointer with sufficient rights, then supply parent-directory components in an encrypted URI to escape the WebFig file namespace and disclose root-owned files, including configuration stores containing credentials.This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 8.7 | HIGH
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CVE ID :CVE-2026-67281
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :RouterOS WebFig contains an unauthenticated file-read vulnerability in the /jsproxy path where a newly allocated session retains a stale uninitialized principal pointer used for file authorization. An unauthenticated attacker can prepare the allocator so that the file-serving path dereferences this pointer with sufficient rights, then supply parent-directory components in an encrypted URI to escape the WebFig file namespace and disclose root-owned files, including configuration stores containing credentials.This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 8.7 | HIGH
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CVE-2026-86060 - SSH session privilege manipulation via a crafted username in Mikrotik RouterOS
CVE ID :CVE-2026-86060
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :RouterOS contains an argument-handling flaw in the SSH login path involving usernames that begin with a prohibited character, allowing for the trusted RouterOS policy mask to be changed, leading to privilege escalation. Exploitation requires an unauthenticated SSH session to reach the RouterOS login helper.This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 9.2 | CRITICAL
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CVE ID :CVE-2026-86060
Published : Sept. 5, 2026, 8 p.m. | 26 minutes ago
Description :RouterOS contains an argument-handling flaw in the SSH login path involving usernames that begin with a prohibited character, allowing for the trusted RouterOS policy mask to be changed, leading to privilege escalation. Exploitation requires an unauthenticated SSH session to reach the RouterOS login helper.This issue was fixed in versions: 6.49.21 (Lont-term), 7.23.4 (Lont-term) and 7.24.2 (Stable)
Severity: 9.2 | CRITICAL
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