Search: “Claude Mythos 5”

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

CategoryAll AI safety & security 19 Vulnerability 17 Exploit / PoC 10 Data breach 8 Model release 5 Malware 5 Policy & legal 3 Ransomware 3 Threat actor 3 AI industry 2 Tools 1 Research 1

SeverityAll critical 31 high 9 medium 25 low 1 info 11

Anthropic's Claude Fable 5 is out for public use, with safeguards for high-risk requests

Help Net SecurityJun 10, 00:00 UTC · Jun 10, 2026Vulnerability

30

New Anthropic Fable 5 Is a

Infosecurity MagazineJun 10, 11:00 UTC · Jun 10, 2026Vulnerability

30

Anthropic Reveals Claude Escaped Testing, Breaching Three Companies

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

55

U.S. Orders Anthropic to Suspend Fable 5 and Mythos 5 Access for Foreign Nationals

The Hacker NewsJun 15, 00:00 UTC · Jun 15, 2026Vulnerability

55

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

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

55

Trump administration unveils AI-supported clearinghouse for cyber vulnerabilities

The RecordJul 15, 20:37 UTC · Jul 15, 2026Vulnerability

55

Measuring LLMs' Ability to Perform Cryptanalysis

Schneier on SecurityJul 29, 02:01 UTC · Jul 29, 2026Vulnerability

30

Washington Pulled the Plug on Anthropic 's Fable 5 and Mythos 5 models. The Rest of the World Is Watching.

Security AffairsJun 13, 14:32 UTC · Jun 13, 2026Vulnerability1

42

AI Model Claude Opus turns bugs into exploits for just $2,283

Security AffairsApr 20, 08:24 UTC · Apr 20, 2026Vulnerability

42

AWS, Google, and Vercel Agent Flaws Let Attackers Trigger Tools Without Running the Model

The Hacker NewsAug 6, 09:25 UTC · Aug 6, 2026Vulnerability CVE-2026-18830 CVE-2026-18236 CVE-2026-64650+1 CVEs1

35

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-2021-442281

60

Anthropic says US government forced it to disable cybersecurity AI models

The RecordJun 15, 12:35 UTC · Jun 15, 2026Vulnerability

42

Anthropic releases Claude Opus 4.7 with automated cybersecurity safeguards

Help Net SecurityApr 16, 00:00 UTC · Apr 16, 2026Vulnerability

30

Week in review: cPanel vulnerability actively exploited, DigiCert breach, LinkedIn job scams

Help Net SecurityMay 10, 00:00 UTC · May 10, 2026Vulnerability in the wildCVE-2026-41940 CVE-2026-4670 CVE-2026-5174+4 CVEs

60

Week in review: SimpleHelp vulnerability exploited, Oracle EBS Payments flaw under attack

Help Net SecurityJul 5, 00:00 UTC · Jul 5, 2026Vulnerability in the wildCVE-2026-12569 CVE-2026-48558 CVE-2026-46817

60

Friday Squid Blogging: Giant Squid Live in the Waters of Western Australia

Schneier on SecurityMay 8, 21:03 UTC · May 8, 2026Vulnerability

30

US lifts export controls on Anthropic’s frontier cybersecurity AI models

The RecordJul 1, 13:22 UTC · Jul 1, 2026Vulnerability

55