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CVE-2026-75973 Improper Authentication vulnerability in Apache Tomcat
Description
Improper Authentication vulnerability in Apache Tomcat. When Jakarta Authentication was configured with SimpleAuthConfigProvider as the default provider and multiple web application used that provider, the realm for the first web application to authenticate a request would be used for all web applications. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M4 through 9.0.121. The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.26, 10.1.60, 9.0.122, which fixes the issue.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache Tomcat 11.0 | 11.0.0-M1 → 11.0.25 | No fix stated |
| Apache Tomcat 10.1 | 10.1.0-M1 → 10.1.59 | No fix stated |
| Apache Tomcat 9.0 | 9.0.0.M4 → 9.0.121 | No fix stated |
| Apache Tomcat 8.5 | 8.5.0 → 8.5.100 | No fix stated |
References
- lists.apache.org lists.apache.org
Timeline
- Published
- Last modified
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