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.
Analysis and contextual insights are available on OpenCVE Cloud.
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Wed, 23 Sep 2026 16:30:00 +0000
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cvssV3_1
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Wed, 23 Sep 2026 14:00:00 +0000
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Apache
Apache tomcat |
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Apache
Apache tomcat |
Wed, 23 Sep 2026 11:45:00 +0000
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| 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. | |
| Title | Apache Tomcat: Cross-context authentication mix-up with Jakarta Authentication configured | |
| Weaknesses | CWE-287 | |
| References |
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Status: PUBLISHED
Assigner: apache
Published:
Updated: 2026-09-23T15:29:15.372Z
Reserved: 2026-08-18T17:47:34.591Z
Link: CVE-2026-75973
Updated: 2026-09-23T15:28:24.162Z
Status : Received
Published: 2026-09-23T12:17:06.410
Modified: 2026-09-23T16:16:44.580
Link: CVE-2026-75973
No data.
OpenCVE Enrichment
Updated: 2026-09-23T13:45:04Z