{"id":"GO-2026-4311","summary":"Fulcio is vulnerable to Server-Side Request Forgery (SSRF) via MetaIssuer Regex Bypass in github.com/sigstore/fulcio","details":"Fulcio is vulnerable to Server-Side Request Forgery (SSRF) via MetaIssuer Regex Bypass in github.com/sigstore/fulcio","aliases":["CVE-2026-22772","GHSA-59jp-pj84-45mr"],"modified":"2026-02-04T03:46:51.063238Z","published":"2026-01-23T02:28:11Z","related":["CGA-6h4p-9v6j-g26c"],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4311","review_status":"UNREVIEWED"},"references":[{"type":"ADVISORY","url":"https://github.com/sigstore/fulcio/security/advisories/GHSA-59jp-pj84-45mr"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-22772"},{"type":"FIX","url":"https://github.com/sigstore/fulcio/commit/eaae2f2be56df9dea5f9b439ec81bedae4c0978d"}],"affected":[{"package":{"name":"github.com/sigstore/fulcio","ecosystem":"Go","purl":"pkg:golang/github.com/sigstore/fulcio"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.8.5"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://vuln.go.dev/ID/GO-2026-4311.json"}}],"schema_version":"1.7.3"}