Description
Improper Access Control, Incorrect Authorization vulnerability in Apache Tomcat leads to security constraint bypass if a constraint for a longer path is specified before a more restrictive constraint for a shorter sub-path. 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, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Users are recommended to upgrade to version 11.0.25, 10.1.58, 9.0.121, which fixes the issue.
Affected products
apache: tomcat
References2
- lists.apache.org/thread/joosxvzc9b49ttj8lj0jw9mqt0ml767m Vendor AdvisoryMailing List
- www.openwall.com/lists/oss-security/2026/08/26/1 Third Party AdvisoryMailing List
Metrics
- CVSS 3.1
-
9.1
CRITICAL
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - EPSS — exploit probability
- 1% percentile: 52 · as of 9 November 2026
- CWE
- CWE-284CWE-863
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