Medium5.9Red Hat & Ubuntu Linux
Authentication bypass via client certificate misconfiguration
CVE-2026-34500 Published Apr 9, 2026
CVE-2026-34500
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Authentication bypass via client certificate misconfiguration. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-303. Affected package(s): tomcat, jws6-tomcat. Resolved in Red Hat advisory RHSA-2026:20405 — update the affected packages (`sudo dnf update`).
Affected versions
- tomcat
- jws6-tomcat-0:10.1.49-13.redhat_00011.1.el10jws
- jws6-tomcat-0:10.1.49-13.redhat_00011.1.el8jws
- jws6-tomcat-0:10.1.49-13.redhat_00011.1.el9jws
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
- RHSA-2026:20405
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:20405 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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