High severity7.5NVD Advisory· Published May 12, 2026· Updated May 15, 2026
CVE-2026-43513
CVE-2026-43513
Description
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.
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- www.openwall.com/lists/oss-security/2026/05/12/9nvdMailing ListThird Party Advisory
- lists.apache.org/thread/ytjcgldshj73lcnd1sh95od5hrghwogpnvdMailing ListVendor Advisory
News mentions
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