CVE-2026-43513
Improper Handling of Case Sensitivity vulnerability in LockOutRealm in Apache Tomcat. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Older unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.
- Affected products
- Apache Tomcat, Confluence, Linuxmint, Red Os, Ubuntu
- Apache Tomcat
- ≤ 7.0.109, 8.5.100, 9.0.118, 10.1.55, 11.0.22
- Fix
- Available
- CVSS 3.1
- 7.5 HIGH
- EPSS
- 0.5% (38th percentile)
- Weakness
- CWE-178
- NVD status
- Analyzed
- Published
- 2026-05-12
CVE-2026-43513 at NVD
No indexed exploits for CVE-2026-43513 yet
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No exploit for CVE-2026-43513 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.