Cocos AI is a confidential computing system for AI.
CVE-2026-119344
Cocos AI is a confidential computing system for AI. In version 0.8.2 and earlier, Cocos AI accepts trusted execution environment attestation Evidence when firmware patch levels and software measurements match, without binding the Evidence to an allowed platform owner or unique machine identity and without enforcing revocation. A remote attacker who controls or compromises another platform trusted by the same verifier can substitute valid Evidence from that platform and cause authorization of the wrong platform. This vulnerability is addressed in 0.9.0. However, this vulnerability can't be patched in source code alone, since the vulnerability arises from the confidential computing threat model itself.
Assessment
- CVSS
- 9.1 (v4.0)
- Severity
- Critical
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 5 November 2026
- Last updated
- 5 November 2026
- Affected
- ultravioletrs · cocos
- Assigner
- GitHub_M
CVSS vectorCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
At the source
References
- https://github.com/ultravioletrs/cocos/security/advisories/GHSA-v5m8-5wxc-vjgp
- https://dl.acm.org/doi/10.1145/3779208.3785387
- https://doi.org/10.1145/3779208.3785387
- https://github.com/ultravioletrs/cocos/releases/tag/v0.9.0
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/technical-documentation/platform-ownership-endorsements.html
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