{"action":"Upgrade github.com/sigstore/fulcio to 1.8.5 or later.","affected":[{"fixed":"1.8.5","introduced":"0"}],"component":"github.com/sigstore/fulcio","cve_ids":["CVE-2026-22772"],"ecosystem":"Go","epss":0.00232,"exploited":false,"fixed_versions":["1.8.5"],"ghsa_id":"GHSA-59jp-pj84-45mr","id":"tcs_01M5KGD0T7G9HTF6S9NK5YG44Y","modified_at":"2026-02-04T03:46:51.063238Z","published_at":"2026-01-23T02:28:11Z","references":["https://osv.dev/vulnerability/GO-2026-4311","https://github.com/sigstore/fulcio/security/advisories/GHSA-59jp-pj84-45mr","https://nvd.nist.gov/vuln/detail/CVE-2026-22772","https://github.com/sigstore/fulcio/commit/eaae2f2be56df9dea5f9b439ec81bedae4c0978d"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"GO-2026-4311","url":"https://osv.dev/vulnerability/GO-2026-4311"}],"summary":"Fulcio is vulnerable to Server-Side Request Forgery (SSRF) via MetaIssuer Regex Bypass in github.com/sigstore/fulcio"}