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Security News, Assessments & Alerts Page 43

Security News, Assessments & Alerts

Security Issues, Vulnerabilities, Exploits & Government Alerts

Kali365 Weaponizes Microsoft Authentication Against US Companies: New Enterprise Risk

Kali365 Weaponizes Microsoft Authentication Against US Companies: New Enterprise Risk

Kali365 is turning a legitimate Microsoft login into a gateway to corporate data. The phishing kit targets US organizations with attacker-controlled device codes that victims approve on Microsoft’s real authentication page. Once access and refresh… 

Critical Gitea Flaw Let Unauthenticated Attackers Read Server Files via Org-Mode Markup

Critical Gitea Flaw Let Unauthenticated Attackers Read Server Files via Org-Mode Markup

Swati KhandelwalAug 05, 2026Vulnerability / DevOps An unauthenticated attacker can read any file the service account can access on Gitea, the self-hosted Git platform, in versions 1.22.1 through 1.27.0. No login, no repository write access.… 

Open VSX Removes 77 Malicious Evil Twin Extensions Exfiltrating Developer Data

Open VSX Removes 77 Malicious Evil Twin Extensions Exfiltrating Developer Data

A cluster of 77 extensions on the Open VSX marketplace has been found to impersonate legitimate developer tools while transmitting information about the systems and development environments on which they were installed. The “evil twin”… 

Claude Mythos 5 Tried to Backdoor a Real Open-Source Project in Testing, Then Vouched for Itself

Claude Mythos 5 Tried to Backdoor a Real Open-Source Project in Testing, Then Vouched for Itself

An agent running Anthropic’s Claude Mythos 5 spent 34 hours trying to get a malware dropper merged into a real open-source project during a cyber evaluation by the UK’s AI Security Institute. When a bystander… 

CISA Flags Langflow RCE, Tomcat, and N-central Flaws as Actively Exploited

CISA Flags Langflow RCE, Tomcat, and N-central Flaws as Actively Exploited

Ravie LakshmananAug 05, 2026Vulnerability / Patch Management The U.S. Cybersecurity and Infrastructure Security Agency (CISA), on August 5, 2026, added three flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation in… 

QuickFox Supply Chain Attack Delivers FDMTP Backdoor via Trojanized Windows Installer

QuickFox Supply Chain Attack Delivers FDMTP Backdoor via Trojanized Windows Installer

Cybersecurity researchers have disclosed what has been described as a “long-standing supply chain attack” on QuickFox, a virtual private network (VPN) and network acceleration tool designed for overseas Chinese users. According to Fortinet FortiGuard Labs,… 

Greatness PhaaS Adds Device Code Phishing to Bypass MFA and Steal Tokens

Greatness PhaaS Adds Device Code Phishing to Bypass MFA and Steal Tokens

The commercial phishing-as-a-service (PhaaS) toolkit known as Greatness has become the latest crimeware solution to add support for device code phishing, a rapidly growing cyber threat that abuses the legitimate OAuth 2.0 Device Authorization Grant… 

Keyv-Linked npm Worm Poisons Hundreds of Packages, Plants Claude Code and VS Code Hooks

Keyv-Linked npm Worm Poisons Hundreds of Packages, Plants Claude Code and VS Code Hooks

A credential-stealing npm worm that first appeared in [email protected] spread beyond the Keyv and Cacheable namespaces into hundreds of packages across multiple organizations on August 4, 2026. SafeDep verified 353 poisoned versions across 79 package…