VULNERABILITY INTELLIGENCE
CVE-2026-12681
EPSS probability0.27%
CISA KEVNot currently listed
Published2026-06-24
Last modified2026-10-25
Description
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.
Weakness classification
- cve-coordination@google.com: CWE-1285