{"schema_version":"1.3.1","id":"GO-2026-5297","modified":"2026-06-25T18:43:19Z","published":"2026-06-25T18:43:19Z","aliases":["CVE-2026-40097","GHSA-9qq8-cgcv-qmc9"],"summary":"Step CA affected by an index out of bounds panic in TPM attestation EKU validation in github.com/smallstep/certificates","details":"Step CA affected by an index out of bounds panic in TPM attestation EKU validation in github.com/smallstep/certificates","affected":[{"package":{"name":"github.com/smallstep/certificates","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.24.0"},{"fixed":"0.30.0"}]}],"ecosystem_specific":{}}],"references":[{"type":"ADVISORY","url":"https://github.com/smallstep/certificates/security/advisories/GHSA-9qq8-cgcv-qmc9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40097"},{"type":"FIX","url":"https://github.com/smallstep/certificates/commit/ffd31ac0a87e03b0224cb8363094bfe602242888"},{"type":"FIX","url":"https://github.com/smallstep/certificates/pull/2569"},{"type":"WEB","url":"https://github.com/smallstep/certificates/releases/tag/v0.30.0"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5297","review_status":"UNREVIEWED"}}