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Citrix Bleed 2 exploited weeks before PoCs as Citrix denied attacks

A critical Citrix NetScaler vulnerability, tracked as CVE-2025-5777 and dubbed "CitrixBleed 2," was actively exploited nearly two weeks before proof-of-concept (PoC) exploits were made public, despite Citrix stating that there was no evidence of attacks. [...]

https://www.bleepingcomputer.com/news/security/citrix-bleed-2-exploited-weeks-before-pocs-as-citrix-denied-attacks/
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UK ties GRU to stealthy Microsoft 365 credential-stealing malware

The UK National Cyber Security Centre (NCSC) has formally attributed 'Authentic Antics' espionage malware attacks to APT28 (Fancy Bear), threat actor already linked to Russia's military intelligence service (GRU). [...]

https://www.bleepingcomputer.com/news/security/uk-ties-russian-gru-to-authentic-antics-credential-stealing-malware/
CrushFTP zero-day exploited in attacks to gain admin access on servers

CrushFTP is warning that threat actors are actively exploiting a zero-day vulnerability tracked as CVE-2025-54309, which allows attackers to gain administrative access via the web interface on vulnerable servers. [...]

https://www.bleepingcomputer.com/news/security/crushftp-zero-day-exploited-in-attacks-to-gain-admin-access-on-servers/
Popular npm linter packages hijacked via phishing to drop malware

Popular JavaScript libraries eslint-config-prettier and eslint-plugin-prettier were hijacked this week and turned into malware droppers, in a supply chain attack achieved via targeted phishing and credential theft. [...]

https://www.bleepingcomputer.com/news/security/popular-npm-linter-packages-hijacked-via-phishing-to-drop-malware/
Threat actors downgrade FIDO2 MFA auth in PoisonSeed phishing attack

A PoisonSeed phishing campaign is bypassing FIDO2 security key protections by abusing the cross-device sign-in feature in WebAuthn to trick users into approving login authentication requests from fake company portals. [...]

https://www.bleepingcomputer.com/news/security/threat-actors-downgrade-fido2-mfa-auth-in-poisonseed-phishing-attack/
HPE warns of hardcoded passwords in Aruba access points

Hewlett-Packard Enterprise (HPE) is warning of hardcoded credentials in Aruba Instant On Access Points that allow attackers to bypass normal device authentication and access the web interface. [...]

https://www.bleepingcomputer.com/news/security/hpe-warns-of-hardcoded-passwords-in-aruba-access-points/