Medium6.5Red Hat & Ubuntu Linux
Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.
CVE-2026-42498 Published May 12, 2026
CVE-2026-42498
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-201. Affected package(s): tomcat10-main, tomcat11-main. Resolved in Red Hat advisory RHSA-2026:13745 — update the affected packages (`sudo dnf update`).
Affected versions
- tomcat10-main-10.1.55-1.hum1
- tomcat11-main-11.0.22-0.1.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:13745
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-2026:13745 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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