Anthropic to release Mythos-class models to the public

2026-05-25T19:23:55Zceb6f6a3a7c2608aab925fafcde8415057cc6e96bf9badc9573ed1f639f33861
ai-safetyapi-keysciscocode-signingcredentials-exposuredata-leakdrupalgithub-compromiseincident-responselinux-kernelmacos-malwarenginxnpm-malwareprivilege-escalationransomwaresupply-chainvulnerability-disclosurezero-day

What happened

Collection of mid-May 2026 security stories highlighting a surge in high-impact vulnerabilities, supply-chain poisonings, and credential exposure incidents. Notable themes: AI-powered bug-hunters driving a flood of Linux kernel and other disclosures (Dirty Frag / Fragnesia, module/page-cache issues), multiple supply-chain attacks and repo/package poisonings (Megalodon, Shai‑Hulud, TanStack/npm, poisoned VS Code extension), credential and secret leaks (open US cyber‑defense GitHub repo, Google API keys usable after deletion), and several urgent vendor incidents (critical Drupal core patch, NGIN

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
theregister_security
Record identifier
ceb6f6a3a7c2608aab925fafcde8415057cc6e96bf9badc9573ed1f639f33861
Enrichment time
2026-05-25T19:23:55Z
AI-assisted enrichment
Yes

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Record · Anthropic to release Mythos-class models to the public · Baitaphish