{"schema_version":"1.3.1","id":"GO-2026-5021","modified":"2026-05-22T02:08:34Z","published":"2026-05-22T02:08:34Z","aliases":["CVE-2026-42508"],"summary":"Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts","details":"Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for @revoked.","affected":[{"package":{"name":"golang.org/x/crypto","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.52.0"}]}],"ecosystem_specific":{"imports":[{"path":"golang.org/x/crypto/ssh/knownhosts","symbols":["hostKeyDB.IsRevoked"]}]}}],"references":[{"type":"REPORT","url":"https://go.dev/issue/79568"},{"type":"FIX","url":"https://go.dev/cl/781220"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/a082jnz-LvI"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-5021","review_status":"REVIEWED"}}