{
"id": "GHSA-5cgq-3rg8-m6cv",
"aliases": [
"CVE-2026-42508"
],
"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.",
"summary": "golang.org/x/crypto vulnerable to auth bypass via unenforced @revoked status",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.52.0"
}
]
}
],
"package": {
"name": "golang.org/x/crypto",
"ecosystem": "Go"
}
}
],
"modified": "2026-07-17T15:32:15Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
],
"published": "2026-06-25T22:22:04Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42508",
"type": "ADVISORY"
},
{
"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": "WEB"
},
{
"url": "https://cs.opensource.google/go/x/crypto",
"type": "PACKAGE"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2480688",
"type": "WEB"
},
{
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{
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{
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],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-295"
],
"severity": "CRITICAL",
"github_reviewed": true,
"nvd_published_at": "2026-05-22T04:16:25Z",
"github_reviewed_at": "2026-06-25T22:22:04Z"
}
}