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.
Published: 2026-08-25
Score: 9.1 Critical
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

No vendor fix or workaround currently provided.

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Tracking

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History

Wed, 26 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 26 Aug 2026 15:45:00 +0000

Type Values Removed Values Added
References

Wed, 26 Aug 2026 03:45:00 +0000

Type Values Removed Values Added
First Time appeared Apache
Apache tomcat
Vendors & Products Apache
Apache tomcat

Tue, 25 Aug 2026 22:00:00 +0000

Type Values Removed Values Added
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.
Title Apache Tomcat: Bypass longest prefix security constraint
Weaknesses CWE-284
CWE-863
References

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-08-26T15:18:16.813Z

Reserved: 2026-07-21T18:33:56.118Z

Link: CVE-2026-65182

cve-icon Vulnrichment

Updated: 2026-08-26T02:30:35.125Z

cve-icon NVD

Status : Undergoing Analysis

Published: 2026-08-25T22:17:04.900

Modified: 2026-08-26T16:45:12.020

Link: CVE-2026-65182

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-26T03:30:03Z

Weaknesses