GHSA-9qq8-cgcv-qmc9Published
Step CA affected by an index out of bounds panic in TPM attestation EKU validation
Explicit identifiers and source references
These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.
CVE-2026-40097 · Microsoft / collected KEV context
cve-program · CVE-2026-40097
- https://github.com/smallstep/certificates/security/advisories/GHSA-9qq8-cgcv-qmc9
- https://github.com/smallstep/certificates/pull/2569
- https://github.com/smallstep/certificates/commit/ffd31ac0a87e03b0224cb8363094bfe602242888
- https://github.com/smallstep/certificates/releases/tag/v0.30.0
euvd · EUVD-2026-21506
- https://github.com/smallstep/certificates/security/advisories/GHSA-9qq8-cgcv-qmc9
- https://github.com/smallstep/certificates/pull/2569
- https://github.com/smallstep/certificates/commit/ffd31ac0a87e03b0224cb8363094bfe602242888
- https://github.com/smallstep/certificates/releases/tag/v0.30.0
nvd · CVE-2026-40097
- https://github.com/smallstep/certificates/commit/ffd31ac0a87e03b0224cb8363094bfe602242888
- https://github.com/smallstep/certificates/pull/2569
- https://github.com/smallstep/certificates/releases/tag/v0.30.0
- https://github.com/smallstep/certificates/security/advisories/GHSA-9qq8-cgcv-qmc9
osv · GHSA-9qq8-cgcv-qmc9
- https://github.com/smallstep/certificates/security/advisories/GHSA-9qq8-cgcv-qmc9
- https://nvd.nist.gov/vuln/detail/CVE-2026-40097
- https://github.com/smallstep/certificates/pull/2569
- https://github.com/smallstep/certificates/commit/ffd31ac0a87e03b0224cb8363094bfe602242888
- https://github.com/smallstep/certificates
- https://github.com/smallstep/certificates/releases/tag/v0.30.0
osv · GO-2026-5297
- https://github.com/smallstep/certificates/security/advisories/GHSA-9qq8-cgcv-qmc9
- https://nvd.nist.gov/vuln/detail/CVE-2026-40097
- https://github.com/smallstep/certificates/commit/ffd31ac0a87e03b0224cb8363094bfe602242888
- https://github.com/smallstep/certificates/pull/2569
- https://github.com/smallstep/certificates/releases/tag/v0.30.0
Related operational evidence
Explicit CVE identifiersNo related operational record is retained in the current change model.