CVE-2026-12681

UNKNOWN 0.0

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

Improper Validation of Specified Index, Position, or Offset in Input vulnerability in Google go-attestation. parseEfiSignatureList() does not advance the buffer past vendor bytes before reading entries. For hashSHA256SigGUID lists, this allows attacker-controlled vendor header bytes to be appended to the trusted SHA256 hash list. A crafted TPM event log could inject arbitrary SHA256 hashes into the verifier's trusted measurement database, enabling a remote attestation verifier to accept a compromised boot state. This issue affects go-attestation: through 0.6.0.

CWE	CWE-1285
Vendor	google
Product	go-attestation
Ecosystems	Android Cloud Chrome
Industries	Technology
Published	Jun 24, 2026

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Affected Versions

Google / go-attestation

0 ≤ 0.6.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/google/go-attestation/security/advisories/GHSA-9r4w-jg96-92mv github.com: https://github.com/google/go-attestation/commit/b6e905e7ae52937f02b5ca494dd1c6a3ac7a1003 github.com: https://github.com/google/go-attestation/releases/tag/v0.6.1

Credits

https://github.com/prasanna8585