CVE-2026-42508: Invoking auth bypass via unenforced @revoked status in golang.org/x/crypto/ssh/knownhosts
Overview
- Severity
- Critical (CVSS 9.1)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-May
- Released
- 2026-05-27
- EPSS Score
- 0.03% (percentile: 8.8%)
Affected Products (3)
Mariner
- azl3 libcontainers-common 20240213-3 on Azure Linux 3.0
Open Source Software
- azl3 packer 1.9.5-13 on Azure Linux 3.0
- azl3 telegraf 1.31.0-19 on Azure Linux 3.0
Revision History
- 2026-05-27: Information published.