π¨ CVE-2026-19023
Untrusted pointer dereference in the render_bin_output function in the h5dump tool in HDF5 before 2.3.0 allows attackers to cause a denial of service via a variable-length string dataset with more than one element dumped in binary mode, which corrupts the per-element stride calculation and causes subsequent elements to be read from a misaligned offset and dereferenced as a pointer.
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Untrusted pointer dereference in the render_bin_output function in the h5dump tool in HDF5 before 2.3.0 allows attackers to cause a denial of service via a variable-length string dataset with more than one element dumped in binary mode, which corrupts the per-element stride calculation and causes subsequent elements to be read from a misaligned offset and dereferenced as a pointer.
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GitHub
h5dump: SIGSEGV in render_bin_output when dumping dataset with native binary output Β· Issue #6486 Β· HDFGroup/hdf5
Describe the bug Running h5dump on a HDF5 file with native binary output enabled causes a segmentation fault in render_bin_output() during dataset dumping. The crash occurs while processing the dat...
π¨ CVE-2026-19024
NULL pointer dereference in H5Pget_fill_value in HDF5 before 2.3.0 allows attackers to cause a denial of service via a dataset whose version 1 or 2 fill value message has the "defined" flag set together with a negative size field, which is not normalized to the library's "undefined" sentinel and reaches H5T_path_find with a NULL datatype.
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NULL pointer dereference in H5Pget_fill_value in HDF5 before 2.3.0 allows attackers to cause a denial of service via a dataset whose version 1 or 2 fill value message has the "defined" flag set together with a negative size field, which is not normalized to the library's "undefined" sentinel and reaches H5T_path_find with a NULL datatype.
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GitHub
h5dump: null pointer dereference in H5T__path_find_real when dumping XML fill value Β· Issue #6487 Β· HDFGroup/hdf5
Describe the bug Running h5dump -x on a HDF5 file causes a segmentation fault in H5T__path_find_real(). The crash occurs in the XML dump path while dumping the dataset CharSets. The stack shows H5T...
π¨ CVE-2026-19026
H5Z__filter_nbit in H5Znbit.c in HDF5 through 2.3.0 dereferences cd_values[0] through cd_values[4] without validating that cd_values is non-NULL or that cd_nelmts is at least 5, the fixed size of the filter's header. This allows attackers to cause a denial of service via a crafted HDF5 file that stores the N-Bit filter pipeline message with zero client-data values, opened and read via H5Dread, e.g. by the h5ls or h5repack tools.
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H5Z__filter_nbit in H5Znbit.c in HDF5 through 2.3.0 dereferences cd_values[0] through cd_values[4] without validating that cd_values is non-NULL or that cd_nelmts is at least 5, the fixed size of the filter's header. This allows attackers to cause a denial of service via a crafted HDF5 file that stores the N-Bit filter pipeline message with zero client-data values, opened and read via H5Dread, e.g. by the h5ls or h5repack tools.
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GitHub
h5ls: SIGSEGV in Nbit filter processing when dumping datasets Β· Issue #6489 Β· HDFGroup/hdf5
Describe the bug Running h5ls -d on crafted HDF5 files causes segmentation faults in the Nbit filter processing path. Two related PoC inputs trigger crashes in the same Nbit filter/chunk-read workf...
π¨ CVE-2026-67863
In open62541 1.5.5, a server-side use-after-free exists in the local MonitoredItem callback path. The issue occurs when UA_Subscription_localPublish continues to use the current UA_Notification after a callback invokes UA_Server_deleteMonitoredItem for the current local MonitoredItem. This allows a remote attacker to cause a denial of service.
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In open62541 1.5.5, a server-side use-after-free exists in the local MonitoredItem callback path. The issue occurs when UA_Subscription_localPublish continues to use the current UA_Notification after a callback invokes UA_Server_deleteMonitoredItem for the current local MonitoredItem. This allows a remote attacker to cause a denial of service.
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GitHub
open62541/include/open62541/server.h at v1.5.5 Β· open62541/open62541
Open source implementation of OPC UA (OPC Unified Architecture) aka IEC 62541 licensed under Mozilla Public License v2.0 - open62541/open62541
π¨ CVE-2026-67866
Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems in the client wrapper DeleteMonitoredItems path
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Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse and SOPC_StaMac_NewDeleteMonitoredItems in the client wrapper DeleteMonitoredItems path
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GitHub
Server-side `heap-buffer-overflow` in EventFilter WhereClause result handling Β· Issue #16 Β· gff-cw/information
Summary A remote client can crash the official toolkit_demo_server_alarms server example in S2OPC 1.7.3 by sending a crafted CreateMonitoredItemsRequest that contains an EventFilter with two empty ...
π¨ CVE-2026-67867
Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data
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Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the Alarm/Conditions wrapper when processing PublishResponse EventNotificationList data
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GitHub
Client alarm_conditions out-of-bounds read via `PublishResponse` `EventFieldList` count mismatch Β· Issue #18 Β· gff-cw/information
Summary I found a client-side out-of-bounds read in the A&C / event-management wrapper path of S2OPC 1.7.3. A malicious OPC UA server, or a man-in-the-middle able to tamper with server-to-clien...
π¨ CVE-2026-19027
The H5Z__nbit_decompress_one_byte, H5Z__nbit_decompress_one_nooptype, and H5Z__nbit_decompress_one_atomic functions in H5Znbit.c in HDF5 through 2.3.0 advance a read index into the compressed chunk buffer without bounding it against the buffer's actual size. This allows attackers to cause an out-of-bounds heap read, and in constrained cases disclosure of adjacent heap memory into decompressed dataset values, via a crafted HDF5 file whose N-Bit filter parameters describe more decompressed data than the stored compressed chunk actually contains, triggered via H5Dread, e.g. by the h5ls or h5repack tools.
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The H5Z__nbit_decompress_one_byte, H5Z__nbit_decompress_one_nooptype, and H5Z__nbit_decompress_one_atomic functions in H5Znbit.c in HDF5 through 2.3.0 advance a read index into the compressed chunk buffer without bounding it against the buffer's actual size. This allows attackers to cause an out-of-bounds heap read, and in constrained cases disclosure of adjacent heap memory into decompressed dataset values, via a crafted HDF5 file whose N-Bit filter parameters describe more decompressed data than the stored compressed chunk actually contains, triggered via H5Dread, e.g. by the h5ls or h5repack tools.
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GitHub
h5ls: SIGSEGV in Nbit filter processing when dumping datasets Β· Issue #6489 Β· HDFGroup/hdf5
Describe the bug Running h5ls -d on crafted HDF5 files causes segmentation faults in the Nbit filter processing path. Two related PoC inputs trigger crashes in the same Nbit filter/chunk-read workf...
π¨ CVE-2026-19028
H5Z__filter_fletcher32 in H5Zfletcher32.c in HDF5 through 2.3.0 computes the data length to checksum by subtracting the 4-byte trailing checksum size from the input buffer size without checking that the buffer is at least 4 bytes, allowing a size_t underflow. This allows attackers to cause a denial of service (massively out-of-bounds read and application crash in H5_checksum_fletcher32) via a crafted HDF5 file with a Fletcher32-filtered chunk smaller than 4 bytes, triggered via H5Dread, e.g. by the h5ls or h5dump tools.
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H5Z__filter_fletcher32 in H5Zfletcher32.c in HDF5 through 2.3.0 computes the data length to checksum by subtracting the 4-byte trailing checksum size from the input buffer size without checking that the buffer is at least 4 bytes, allowing a size_t underflow. This allows attackers to cause a denial of service (massively out-of-bounds read and application crash in H5_checksum_fletcher32) via a crafted HDF5 file with a Fletcher32-filtered chunk smaller than 4 bytes, triggered via H5Dread, e.g. by the h5ls or h5dump tools.
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GitHub
h5dump: SIGSEGV in H5_checksum_fletcher32 due to underflowed checksum length Β· Issue #6488 Β· HDFGroup/hdf5
Describe the bug Running h5dump on a HDF5 file causes a segmentation fault in H5_checksum_fletcher32() while reading a chunked dataset with a Fletcher32 filter. The crash occurs with _len=184467440...
π¨ CVE-2026-67869
Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Service_Call validates input arguments against runtime-resolved InputArguments metadata
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Buffer Overflow vulnerability in open62541 v1.5.5 allows a remote attacker to cause a denial of service via the Service_Call validates input arguments against runtime-resolved InputArguments metadata
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GitHub
open62541/examples/tutorial_server_alarms_conditions.c at v1.5.5 Β· open62541/open62541
Open source implementation of OPC UA (OPC Unified Architecture) aka IEC 62541 licensed under Mozilla Public License v2.0 - open62541/open62541
π¨ CVE-2026-67870
In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local ExpandedNodeId targets. A remote attacker can send a crafted AddReferencesRequest with an empty targetServerUri and a non-zero targetNodeId.serverIndex, causing the target node pointer to remain NULL while execution continues.
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In open62541 v1.5.5, the server-side AddReferences implementation contains an incomplete validation flaw for non-local ExpandedNodeId targets. A remote attacker can send a crafted AddReferencesRequest with an empty targetServerUri and a non-zero targetNodeId.serverIndex, causing the target node pointer to remain NULL while execution continues.
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GitHub
open62541/include/open62541/types.h at v1.5.5 Β· open62541/open62541
Open source implementation of OPC UA (OPC Unified Architecture) aka IEC 62541 licensed under Mozilla Public License v2.0 - open62541/open62541
π¨ CVE-2026-67871
Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the AddNodes, address_space_bs.c, sopc_node_mgt_helper_internal.c, and toolkit_test_server
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Buffer Overflow vulnerability in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the AddNodes, address_space_bs.c, sopc_node_mgt_helper_internal.c, and toolkit_test_server
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GitHub
S2OPC/src/ClientServer/address_space/internal/sopc_node_mgt_helper_internal.c at S2OPC_Toolkit_1.7.3 Β· systerel/S2OPC
Mirror repository for open-source OPC-UA Toolkit designed with security and embedded devices in mind. Main repository is on gitlab: - systerel/S2OPC
π¨ CVE-2026-67872
An issue in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the event monitored-item queue resize handling
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An issue in Systerel S2OPC 1.7.3 allows a remote attacker to cause a denial of service via the event monitored-item queue resize handling
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GitHub
S2OPC/src/ClientServer/services/b2c/monitored_item_notification_queue_bs.c at S2OPC_Toolkit_1.7.3 Β· systerel/S2OPC
Mirror repository for open-source OPC-UA Toolkit designed with security and embedded devices in mind. Main repository is on gitlab: - systerel/S2OPC
π¨ CVE-2026-67873
A heap-based buffer overflow exists in lib60870-C 2.4.0 in the server-side FileSegment ASDU encoding path. The issue occurs because FileSegment_encode() validates only the standalone segment length via FileSegment_GetMaxDataSize() and does not verify the residual capacity of the current ASDU frame before encoding object fields and segment data
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A heap-based buffer overflow exists in lib60870-C 2.4.0 in the server-side FileSegment ASDU encoding path. The issue occurs because FileSegment_encode() validates only the standalone segment length via FileSegment_GetMaxDataSize() and does not verify the residual capacity of the current ASDU frame before encoding object fields and segment data
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GitHub
GitHub - mz-automation/lib60870: Official repository for lib60870 an implementation of the IEC 60870-5-101/104 protocol (read-onlyβ¦
Official repository for lib60870 an implementation of the IEC 60870-5-101/104 protocol (read-only mirror) - mz-automation/lib60870
π¨ CVE-2024-39024
In Packetfence 13.2.0, the WebGui interface setting allows authenticated remote code execution.
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In Packetfence 13.2.0, the WebGui interface setting allows authenticated remote code execution.
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GitHub
packetfence-CVE-2024-39024/README.md at main Β· ly1g3/packetfence-CVE-2024-39024
In Packetfence 13.2.0, the WebGui interface setting allows authenticated remote code execution - ly1g3/packetfence-CVE-2024-39024
π¨ CVE-2026-67687
Insecure Permissions vulnerability in ics-park v.2.0 allows a remote attacker to escalate privileges via the /system/role/save endpoint in RoleController.java and system/user/update endpoint in UserController.java
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Insecure Permissions vulnerability in ics-park v.2.0 allows a remote attacker to escalate privileges via the /system/role/save endpoint in RoleController.java and system/user/update endpoint in UserController.java
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GitHub
CVE-2026-67687-ICS-Park-Smart-Park-Management-System-v2.0/CVE-2026-67687 at main Β· qflksheep/CVE-2026-67687-ICS-Park-Smart-Parkβ¦
ICS-Park Smart Park Management System v2.0. Contribute to qflksheep/CVE-2026-67687-ICS-Park-Smart-Park-Management-System-v2.0 development by creating an account on GitHub.
π¨ CVE-2026-67688
ICS-Park Smart Park Management System v2.0 contains an unrestricted file upload vulnerability in the file upload module. This allows a remote attacker to execute arbitrary code.
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ICS-Park Smart Park Management System v2.0 contains an unrestricted file upload vulnerability in the file upload module. This allows a remote attacker to execute arbitrary code.
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GitHub
CVE-2026-67687-ICS-Park-Smart-Park-Management-System-v2.0/CVE-2026-67688 at main Β· qflksheep/CVE-2026-67687-ICS-Park-Smart-Parkβ¦
ICS-Park Smart Park Management System v2.0. Contribute to qflksheep/CVE-2026-67687-ICS-Park-Smart-Park-Management-System-v2.0 development by creating an account on GitHub.
π¨ CVE-2026-67689
SQL Injection vulnerability in FineAdmin V1.0 allows a remote attacker to execute arbitrary code via the `field` and `order` parameters in paginated list endpoints
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SQL Injection vulnerability in FineAdmin V1.0 allows a remote attacker to execute arbitrary code via the `field` and `order` parameters in paginated list endpoints
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GitHub
CVE-2026-67689-FineAdmin.Mvc-vulnerability/CVE-2026-67689-ORDER BY Clause SQL Injection at main Β· qflksheep/CVE-2026-67689-FineAdmin.Mvcβ¦
Contribute to qflksheep/CVE-2026-67689-FineAdmin.Mvc-vulnerability development by creating an account on GitHub.
π¨ CVE-2026-12261
A vulnerability in `nltk.downloader` in nltk/nltk versions <= 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as `corpora/` and `taggers/` instead of package-isolated roots, and validates package integrity only after the archive has been written and extracted. This design flaw enables one package to overwrite another package's trusted resources within the same namespace, making the changes immediately active through ordinary NLTK APIs. This issue persists across fresh interpreter restarts and can affect downstream workflows, including machine learning pipelines and reproducibility-sensitive environments.
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A vulnerability in `nltk.downloader` in nltk/nltk versions <= 3.9.4 allows for cross-package resource and model poisoning. The downloader extracts package archives into shared namespaces such as `corpora/` and `taggers/` instead of package-isolated roots, and validates package integrity only after the archive has been written and extracted. This design flaw enables one package to overwrite another package's trusted resources within the same namespace, making the changes immediately active through ordinary NLTK APIs. This issue persists across fresh interpreter restarts and can affect downstream workflows, including machine learning pipelines and reproducibility-sensitive environments.
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π¨ CVE-2026-37171
A lack of tenant separation in SuperTokens Inc. SuperTokens Core v6.0.0 to v11.4.0 allows an authenticated party in one tenant to access sessions, data, and endpoints of another tenant.
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A lack of tenant separation in SuperTokens Inc. SuperTokens Core v6.0.0 to v11.4.0 allows an authenticated party in one tenant to access sessions, data, and endpoints of another tenant.
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Whitenbaker
CVE-2026-37171 β Cross-Tenant Session Trust in SuperTokens Core | Whitenbaker
Security advisory CVE-2026-37171: SuperTokens Core accepts a sessionβs embedded tenant claim without validating it against the requestβs tenant context, collapsing isolation between tenants. Affects Core v6.0.0βv11.4.0.
π¨ CVE-2025-63235
In sol commit 373d848 (2024-12-12), the broker does not fully release resources when handling malformed or duplicate CONNECT packets. When clients send invalid CONNECT packets - either due to repeated attempts or failed authentication - the server may silently drop the connection or send a CONNACK but fail to close the session or deallocate internal resources. This behavior allows an attacker to create numerous half-open connections that consume memory and file descriptors indefinitely, potentially triggering the Linux OOM killer and causing a denial of service.
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In sol commit 373d848 (2024-12-12), the broker does not fully release resources when handling malformed or duplicate CONNECT packets. When clients send invalid CONNECT packets - either due to repeated attempts or failed authentication - the server may silently drop the connection or send a CONNACK but fail to close the session or deallocate internal resources. This behavior allows an attacker to create numerous half-open connections that consume memory and file descriptors indefinitely, potentially triggering the Linux OOM killer and causing a denial of service.
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GitHub
Five bugs in sol Β· Issue #12 Β· codepr/sol
Hi,codepr!I found five bugs in sol. Environment Details 1.sol version: Commit # 373d848 2.Operating system and version:Kali GNU/Linux Rolling 2023.4
π¨ CVE-2026-12372
A Server-Side Request Forgery (SSRF) vulnerability exists in nltk/nltk versions 3.9.4 and the current develop branch. The `nltk.pathsec.validate_network_url()` function, intended to prevent SSRF by rejecting internal network addresses, fails to reject IPs in the RFC 6598 shared address space (`100.64.0.0/10`). This occurs because Python's `ipaddress` module does not classify such addresses as `is_private` or `is_global`, and the current guard only checks `is_private` and a few explicit categories. An attacker who can influence a URL passed to NLTK's network-loading helpers can exploit this vulnerability to make a strict-mode application send requests to shared-address-space hosts, potentially exposing non-public infrastructure reachable from the application host. The impact is limited to SSRF-style confidentiality exposure, with no code execution claimed.
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A Server-Side Request Forgery (SSRF) vulnerability exists in nltk/nltk versions 3.9.4 and the current develop branch. The `nltk.pathsec.validate_network_url()` function, intended to prevent SSRF by rejecting internal network addresses, fails to reject IPs in the RFC 6598 shared address space (`100.64.0.0/10`). This occurs because Python's `ipaddress` module does not classify such addresses as `is_private` or `is_global`, and the current guard only checks `is_private` and a few explicit categories. An attacker who can influence a URL passed to NLTK's network-loading helpers can exploit this vulnerability to make a strict-mode application send requests to shared-address-space hosts, potentially exposing non-public infrastructure reachable from the application host. The impact is limited to SSRF-style confidentiality exposure, with no code execution claimed.
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