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Critical GitHub RCE Vulnerability CVE-2026-3854 Exposed Millions of Repositories to Cross-Tenant Access

29 April 2026  |  dark6  |  Vulnerability

Wiz researchers used AI-augmented reverse engineering to uncover CVE-2026-3854, a critical RCE flaw in GitHub's internal git infrastructure that could have enabled any authenticated user to execute code...

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APT28 Exploits Windows 0-Click Flaw CVE-2026-32202 to Steal NTLM Hashes via Defender SmartScreen Bypass

29 April 2026  |  dark6  |  Vulnerability

Russian state-sponsored APT28 is actively exploiting CVE-2026-32202, a zero-click Windows Shell vulnerability that bypasses Defender SmartScreen and silently exfiltrates Net-NTLMv2 credential hashes. Microsoft patched the flaw in April...

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Hackers Weaponize Fake Claude Code Leak to Distribute Vidar Infostealer and GhostSocks Proxy Malware

28 April 2026  |  dark6  |  Malware

Threat actors are using fake GitHub repositories impersonating the leaked Anthropic Claude Code source to deliver a Rust dropper that installs both the Vidar infostealer (v18.7) and GhostSocks...

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ClickUp’s Hardcoded API Key Has Silently Leaked 959 Corporate and Government Emails for 15 Months

28 April 2026  |  dark6  |  Databreach

A hardcoded API key in ClickUp's public JavaScript file exposed 959 corporate and government email addresses for over 15 months after responsible disclosure in January 2025. Affected organizations...

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Microsoft Defender “RedSun” Zero-Day (CVE-2026-33825): Unpatched Exploit Grants Full SYSTEM Access

28 April 2026  |  dark6  |  Vulnerability

An unpatched zero-day dubbed RedSun (CVE-2026-33825) actively exploits a flaw in Windows Defender's cloud file rollback mechanism to grant attackers full SYSTEM privileges. A public PoC has been...

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Critical CVSS 9.8 Flaw in CrowdStrike LogScale Lets Unauthenticated Attackers Read Server Files

28 April 2026  |  dark6  |  Vulnerability

CrowdStrike has issued an emergency advisory for CVE-2026-40050, a CVSS 9.8 unauthenticated path-traversal flaw in LogScale that lets remote attackers read arbitrary files from the server filesystem. Self-hosted...

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Pack2TheRoot: Critical Linux Privilege Escalation Flaw in PackageKit Affects 12+ Years of Releases (CVE-2026-41651)

28 April 2026  |  dark6  |  Vulnerability

Deutsche Telekom's Red Team has disclosed Pack2TheRoot (CVE-2026-41651), a critical local privilege escalation flaw in the PackageKit daemon affecting all major Linux distributions across 12+ years of releases,...

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ShinyHunters Claims Udemy Data Breach: 1.4 Million User Records at Risk as Ransom Deadline Expires

28 April 2026  |  dark6  |  Databreach

ShinyHunters has claimed a breach of Udemy affecting 1.4 million user records, setting a "Pay or Leak" ransom deadline of April 27, 2026. Udemy has not yet issued...

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