{"action":"Upgrade github.com/sigstore/fulcio to 1.8.6 or later.","affected":[{"fixed":"1.8.6","introduced":"0"}],"component":"github.com/sigstore/fulcio","cve_ids":["CVE-2026-49478"],"ecosystem":"Go","epss":0.00282,"exploited":false,"fixed_versions":["1.8.6"],"ghsa_id":"GHSA-f5mr-q85p-6hh6","id":"tcs_01M5KF8DKK5SZGJVMXM95HXA36","modified_at":"2026-09-10T03:50:49.276908685Z","published_at":"2026-06-30T18:38:45Z","references":["https://osv.dev/vulnerability/GHSA-f5mr-q85p-6hh6","https://github.com/sigstore/fulcio/security/advisories/GHSA-f5mr-q85p-6hh6","https://github.com/sigstore/fulcio"],"severity":{"label":"high","score":8.7},"sources":[{"source":"osv","source_id":"GHSA-f5mr-q85p-6hh6","url":"https://osv.dev/vulnerability/GHSA-f5mr-q85p-6hh6"}],"summary":"Fulcio has OIDC Discovery Redirect Following Allows SSRF and JWKS Substitution for Meta-Issuer Paths, with Kubernetes Service-Account Token Leakage"}