CRITICALCVE-2026-42508Published Modified CNA Go
CVE-2026-42508: Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts
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.
Metrics
- CVSS v3.1
- 9.1
- Severity
- CRITICAL
- Fixed in
- 0.52.0
- Affected Products
- 1
Fix available
0.52.0
Affected packages
- golang.org/x/crypto / golang.org/x/crypto/ssh/knownhosts< 0.52.0 (from 0)
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NReferences