VDB
DEBIAN-CVE-2026-43513
DEBIAN-CVE-2026-43513
PUBLISHED
CVSS 7.5 HIGH
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.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | tomcat11 | 11.0.6-1, 0, 11.0.11-1 |
| Debian:14 | tomcat10 | 0, 10.1.54-1, 10.1.52-2 |
| Debian:11 | tomcat9 | 9.0.43-3, 9.0.53-1, 9.0.54-1 |
| Debian:13 | tomcat10 | 10.1.54-1, 0, 10.1.40-1 |
| Debian:12 | tomcat10 | 10.1.33-1, 10.1.20-1, 10.1.23-1 |
| Debian:13 | tomcat9 | 0 |
| Debian:13 | tomcat11 | 11.0.11-1, 0, 11.0.15-1 |
| Debian:14 | tomcat9 | 0 |
| Debian:12 | tomcat9 | 0 |
Timeline
- May 12, 2026 CVE Published
- May 15, 2026 CVE Updated