Friday Squid Blogging: Bigfin Squid
2026-05-17T19:23:42Z•28ee80f2cb1f1343497bcc0429942020bdb1b1b1cac75a06d586548ecaa19942
AI-securityCVE-2026-31431Claude-MythosGPT-5.5LLM-dual-usePolymarketage-verification-bypassbiometric-spoofingcopy.failcovert-channelsfacial-recognitioninsider-tradingkernel-exploitlinux-kernellocal-privilege-escalationmarketssmart-glassessurveillancetext-steganographyvulnerability-discovery
What happened
Collection of Schneier blog entries highlighting multiple security issues: a severe Linux local-privilege-escalation dubbed “copy.fail” (CVE-2026-31431) that reliably exploits the kernel crypto API and splice() across major distributions; growing dual-use risk from advanced LLMs (Anthropic’s Claude Mythos and OpenAI’s GPT-5.5) that can reliably find software vulnerabilities; simple physical spoofing bypasses of on-camera AI age-verification (e.g., fake mustaches); LLM-enabled text-in-text steganography enabling covert channels; law-enforcement deployment of facial-recognition smart glasses (IC
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- schneier_blog
- Record identifier
- 28ee80f2cb1f1343497bcc0429942020bdb1b1b1cac75a06d586548ecaa19942
- Enrichment time
- 2026-05-17T19:23:42Z
- AI-assisted enrichment
- Yes
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