Search: “Claude Mythos”

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DomainAll Cyber AIWindow24h 3d 7d 30d AllIn the wild Important only Show duplicates

CategoryAll Vulnerability 66 Exploit / PoC 46 AI safety & security 26 Data breach 11 Malware 9 Ransomware 8 Model release 7 Policy & legal 5 AI industry 4 Threat actor 4 Research 3 Industry 3 AI research 2 AI tools & infra 2

SeverityAll critical 109 high 22 medium 41 low 1 info 26

Testing reveals Claude Mythos's offensive capabilities and limits

Help Net SecurityAug 5, 12:04 UTC · Aug 5, 2026Exploit / PoC

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Project Glasswing powered by Claude Mythos: defending software before hackers do

Security AffairsApr 8, 11:18 UTC · Apr 8, 2026Vulnerability

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Here’s how cyber heavyweights in the US and UK are dealing with Claude Mythos

CyberScoopApr 13, 21:43 UTC · Apr 13, 2026Exploit / PoC in the wild

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The US NSA is using Anthropic's Claude Mythos despite supply chain risk

Security AffairsApr 21, 10:27 UTC · Apr 21, 2026Vulnerability

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Week in review: Acrobat Reader flaw exploited, Claude Mythos offensive capabilities and limits

Help Net SecurityApr 19, 00:00 UTC · Apr 19, 2026Data breach in the wildCVE-2026-34621 CVE-2026-39813 CVE-2026-39808

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Claude Mythos finds 271 Firefox flaws, Mozilla believes it shifts security toward defenders

Help Net SecurityApr 22, 00:00 UTC · Apr 22, 2026Exploit / PoC

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Anthropic: Claude Mythos identified 10,000+ software flaws

Help Net SecurityMay 26, 00:00 UTC · May 26, 2026Exploit / PoC

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

The Hacker NewsAug 5, 07:53 UTC · Aug 5, 2026Malware

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Anthropic Project Glasswing to Use AI to Fix Software Bugs With AI

Infosecurity MagazineApr 8, 11:30 UTC · Apr 8, 2026Exploit / PoC

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Anthropic's Claude Mythos Finds Thousands of Zero

The Hacker NewsApr 8, 11:44 UTC · Apr 8, 2026Exploit / PoC

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Claude Mythos AI Finds 10,000 High

The Hacker NewsMay 23, 15:38 UTC · May 23, 2026Data breach CVE-2026-5194

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Claude Mythos Has Found 271 Zero-Days in Firefox

Schneier on SecurityApr 29, 10:12 UTC · Apr 29, 2026Exploit / PoC

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Researchers say AI just broke every benchmark for autonomous cyber capability

CyberScoopMay 13, 22:29 UTC · May 13, 2026Exploit / PoC in the wild

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Anthropic expands Project Glasswing to 150 organizations in more than 15 countries

Help Net SecurityJun 3, 00:00 UTC · Jun 3, 2026Vulnerability

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Anthropic's new model is Mythos on a leash

CyberScoopJun 9, 19:46 UTC · Jun 9, 2026Exploit / PoC in the wild

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Anthropic Releases Claude Fable 5, Its Most Powerful AI Yet, With Cyber Safeguards

The Hacker NewsJun 10, 07:37 UTC · Jun 10, 2026Exploit / PoC CVE-2026-47471

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After Mythos: New Playbooks For a Zero

The Hacker NewsApr 28, 10:30 UTC · Apr 28, 2026Vulnerability

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Mythos and Cybersecurity

Schneier on SecurityApr 18, 04:23 UTC · Apr 18, 2026Vulnerability

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Here's what Anthropic found when it turned Mythos loose on encryption algorithms

CyberScoopJul 28, 20:54 UTC · Jul 28, 2026Exploit / PoC in the wild

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Anthropic expanding access to Project Glasswing

CyberScoopJun 3, 13:24 UTC · Jun 3, 2026Exploit / PoC in the wild

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Commercial AI Models Show Rapid Gains in Vulnerability Research

Infosecurity MagazineApr 17, 13:20 UTC · Apr 17, 2026Vulnerability

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Anthropic's Glasswing: 10,000+ Vulnerabilities Found in One Month, and the Patching Problem Has Never Been More Obvious

Security AffairsMay 24, 09:07 UTC · May 24, 2026Vulnerability CVE-2026-51941

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Contrast CVE Shield aims to protect applications while security teams deploy patches

Help Net SecurityJul 29, 00:00 UTC · Jul 29, 2026Vulnerability in the wildCVE-2021-442282

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Daybreak is OpenAI's answer to the AI arms race in cybersecurity

CyberScoopMay 13, 14:36 UTC · May 13, 2026Exploit / PoC in the wild

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AI Companies To Play Bigger Role in CVE Program, Says CISA

Infosecurity MagazineApr 15, 10:30 UTC · Apr 15, 2026Exploit / PoC

60

Week in review: Infostealer dropped via FortiClient EMS flaw, exploited Trend Micro Apex One flaw

Help Net SecurityMay 31, 00:00 UTC · May 31, 2026Malware in the wildCVE-2026-45659 CVE-2026-34926 CVE-2026-35616

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Anthropic Says Claude Mistook the Open Internet for a CTF and Breached Three Organizations

The Hacker NewsJul 31, 16:17 UTC · Jul 31, 2026Data breach2

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ThreatsDay Bulletin: Claude Chat Abuse, NastyC2 npm Packages, Device

The Hacker NewsJun 18, 15:29 UTC · Jun 18, 2026Exploit / PoC CVE-2026-20127

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AI models keep getting caught cheating

CyberScoopJul 21, 19:20 UTC · Jul 21, 2026Exploit / PoC in the wild

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Cyber Experts Urge US to Lift Ban on Anthropic’s Frontier AI Models

Infosecurity MagazineJun 15, 10:30 UTC · Jun 15, 2026Vulnerability

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Mythos Outperforms GPT5.5 on Google Chrome Vulnerability Exploits

Infosecurity MagazineJun 4, 13:00 UTC · Jun 4, 2026Vulnerability

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The AI era demands a different kind of CISO

CyberScoopApr 22, 10:00 UTC · Apr 22, 2026Ransomware in the wild

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How Dangerous Is Anthropic's Mythos AI?

Schneier on SecurityMay 15, 00:00 UTC · May 15, 2026Ransomware

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On Anthropic's Mythos Preview and Project Glasswing

Schneier on SecurityApr 15, 00:00 UTC · Apr 15, 2026Exploit / PoC

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Mythos Changed the Math on Vulnerability Discovery. Most Teams Aren't Ready for the Remediation Side

The Hacker NewsApr 27, 11:58 UTC · Apr 27, 2026Vulnerability

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Anthropic Reveals Claude Escaped Testing, Breaching Three Companies

Infosecurity MagazineJul 31, 08:35 UTC · Jul 31, 2026Vulnerability

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AI Security Institute Advocates Security Best Practices After Mythos T

Infosecurity MagazineApr 14, 09:30 UTC · Apr 14, 2026Exploit / PoC

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N-day is Becoming N

The Hacker NewsJul 21, 11:42 UTC · Jul 21, 2026Exploit / PoC

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⚡ Weekly Recap: AI Goes Rogue, Metabase 0-Day, MCP Supply

The Hacker NewsAug 10, 15:03 UTC · Aug 10, 2026Ransomware in the wildCVE-2026-34348 CVE-2026-18497 CVE-2026-63508+43 CVEs1

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Anthropic is finding bugs faster than Microsoft can fix them

Ars Technica · SecurityJul 29, 15:52 UTC · Jul 29, 2026Vulnerability1

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