Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apache | Tomcat | >= 7.0.0, <= 7.0.109 |
Related Weaknesses (CWE)
References
- https://lists.apache.org/thread/8robqo76q0osxgw0b5lcwgz0hcf9h4zcVendor AdvisoryMailing List
- http://www.openwall.com/lists/oss-security/2026/08/26/8Third Party AdvisoryMailing List
FAQ
What is CVE-2026-68569?
CVE-2026-68569 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 DataSourceRe...
How severe is CVE-2026-68569?
CVE-2026-68569 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-68569?
Check the references section above for vendor advisories and patch information. Affected products include: Apache Tomcat.