CVE-2026-43513
Analyzed
Analyzed - Analysis Complete
BaseFortify
Publication date: 2026-05-12
Last updated on: 2026-05-15
Assigner: Apache Software Foundation
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| apache | tomcat | From 7.0.0 (inc) to 7.0.109 (inc) |
| apache | tomcat | From 8.5.0 (inc) to 8.5.100 (inc) |
| apache | tomcat | From 9.0.0 (inc) to 9.0.118 (exc) |
| apache | tomcat | From 10.1.0 (inc) to 10.1.55 (exc) |
| apache | tomcat | From 11.0.0 (inc) to 11.0.22 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-178 | The product does not properly account for differences in case sensitivity when accessing or determining the properties of a resource, leading to inconsistent results. |
Attack-Flow Graph
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