High7.4Red Hat & Ubuntu Linux
Revocation bypass via unchecked SignatureKey
CVE-2026-42508 Published May 22, 2026
CVE-2026-42508
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Revocation bypass via unchecked SignatureKey. Red Hat rates this important (CVSS 7.4). Weakness: CWE-295. Affected package(s): golang1, advanced-cluster-security/rhacs-main-rhel8:1781686446, advanced-cluster-security/rhacs-main-rhel8:1781686458. Resolved in Red Hat advisory RHSA-2026:23262 — update the affected packages (`sudo dnf update`).
Affected versions
- golang1-25-main-1.25.11-2.hum1
- golang1-26-main-1.26.4-2.hum1
- advanced-cluster-security/rhacs-main-rhel8:1781686446
- advanced-cluster-security/rhacs-main-rhel8:1781686458
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:23262
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:23262 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.