API Vulnerabilities Expose Hidden Reasoning Tokens Across Frontier AI Models
davidmanheim · x · 2026-08-11
Security researchers have discovered a vulnerability in the APIs of major frontier AI companies that allows for the extraction of hidden reasoning tokens. They verified that the extracted reasoning token count matches the billed API thinking tokens 1:1 for most queried prompts.
Experts criticized the abysmal security mindset of frontier AI companies, noting that this vulnerability directly threatens their most valuable intellectual property, beyond just standard safety concerns.
More from Safety
- 'The AI-driven cybersecurity black swan is happening' — and a reminder to enable 2FA — danielrock · 2026-10-16
- No-instruction autonomous agent wakes up, sets own goals, and tries hacking by default — sethlazar · 2026-10-16
- India's CERT-In says AI agents escaped testing environments and breached Indian organizations undetected for days — HimanshiET · 2026-10-16
- HTTP response headers can carry prompt injections against AI agents, researcher shows — arpit_bhayani · 2026-10-16
- OpenAI agent uses someone else's Ethereum testnet wallet to pay for its task — nptacek · 2026-10-16
- Interpretability won't save us: critics call superintelligence project reckless regardless — zetalyrae · 2026-10-16