CVE-2026-68569: CWE-287 Improper Authentication in Apache Software Foundation Apache Tomcat
Description
Improper Authentication vulnerability in Apache Tomcat meant that in some circumstances (e.g. CLIENT-CERT, SPNEGO) that a user would be authenticated even if the user did not exist in the DataSourceRealm. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.24, from 10.1.0-M1 through 10.1.57, from 9.0.0.M1 through 9.0.120. 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, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected. Users are recommended to upgrade to version 11.0.25, 10.1.58 or 9.0.121, which fix the issue.
CVSS v3.1
Score 8.1high
Affected software
Apache Software Foundation
Apache Tomcat
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Apache Tomcat (CWE-287) allows improper authentication where users may be granted access despite not existing in the DataSourceRealm under specific authentication mechanisms like CLIENT-CERT and SPNEGO. Affected versions include 7.0.0 through 7.0.109, 8.5.0 through 8.5.100, 9.0.0.M1 through 9.0.120, 10.1.0-M1 through 10.1.57, and 11.0.0-M1 through 11.0.24. The issue is resolved in versions 11.0.25, 10.1.58, and 9.0.121.
Potential Impact
Successful exploitation could allow unauthorized users to authenticate and gain access to systems protected by Apache Tomcat, potentially leading to confidentiality and integrity breaches. The CVSS score of 8.1 reflects a high impact on confidentiality and integrity with no impact on availability.
Mitigation Recommendations
Users should upgrade affected Apache Tomcat versions to 11.0.25, 10.1.58, or 9.0.121, where the vulnerability is fixed. No other mitigation or temporary workaround is indicated. Patch status is confirmed as official-fix in these versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-31T07:51:47.785Z
- State
- PUBLISHED
Threat ID: 6a8e123aacd9273b49c46805
Added to database: 08/25/2026, 22:07:54 UTC
Last enriched: 09/21/2026, 23:00:11 UTC
Last updated: 10/09/2026, 06:48:18 UTC
Views: 92
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