{"schema_version":"1.7.5","id":"GHSA-5cgq-3rg8-m6cv","published":"2026-06-25T22:22:04Z","modified":"2026-07-17T15:46:06.967025401Z","aliases":["CVE-2026-42508","GO-2026-5021"],"related":["CGA-cggg-9cv5-p6gh"],"summary":"golang.org/x/crypto vulnerable to auth bypass via unenforced @revoked status","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","purl":"pkg:golang/golang.org/x/crypto"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.52.0"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/06/GHSA-5cgq-3rg8-m6cv/GHSA-5cgq-3rg8-m6cv.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42508"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42508.json"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2026-5021"},{"type":"WEB","url":"https://groups.google.com/g/golang-announce/c/a082jnz-LvI"},{"type":"WEB","url":"https://go.dev/issue/79568"},{"type":"WEB","url":"https://go.dev/cl/781220"},{"type":"PACKAGE","url":"https://cs.opensource.google/go/x/crypto"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2480688"},{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-42508"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:41066"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:41064"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:41036"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:41031"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:41019"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:40945"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:40262"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:40138"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:40118"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:37387"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:37123"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:37072"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:36808"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:36797"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:36796"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:36651"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:36648"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:35833"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:26547"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:26546"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:23264"},{"type":"WEB","url":"https://access.redhat.com/errata/RHSA-2026:23262"}],"database_specific":{"cwe_ids":["CWE-295"],"github_reviewed":true,"github_reviewed_at":"2026-06-25T22:22:04Z","nvd_published_at":"2026-05-22T04:16:25Z","severity":"CRITICAL"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}