Critical9.1Vendor: HighRed Hat & Ubuntu Linux
Cross-Namespace Privilege Escalation via insufficient namespace validation
CVE-2026-6388 Published Apr 15, 2026
CVE-2026-6388
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Cross-Namespace Privilege Escalation via insufficient namespace validation. Red Hat rates this important (CVSS 9.1). Weakness: CWE-1220. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.
Mitigation checklist
Recommended fix / mitigation
- Red Hat rates this important; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.
Official advisory · high-confidence parse· fetched 6 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.