{"action":"Upgrade github.com/smallstep/certificates to 0.30.0 or later.","affected":[{"fixed":"0.30.0","introduced":"0.24.0"}],"component":"github.com/smallstep/certificates","cve_ids":["CVE-2026-40097"],"ecosystem":"Go","epss":0.00181,"exploited":false,"fixed_versions":["0.30.0"],"ghsa_id":"GHSA-9qq8-cgcv-qmc9","id":"tcs_01M5KF634J20XRTQ8JVJCQC0SF","modified_at":"2026-06-25T19:56:06.351112363Z","published_at":"2026-04-10T20:18:08Z","references":["https://osv.dev/vulnerability/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"],"severity":{"label":"low","score":3.7},"sources":[{"source":"osv","source_id":"GHSA-9qq8-cgcv-qmc9","url":"https://osv.dev/vulnerability/GHSA-9qq8-cgcv-qmc9"}],"summary":"Step CA affected by an index out of bounds panic in TPM attestation EKU validation"}