CVEvulnerability

CVE-2026-59083

9.1 CRITICAL Published 2026-07-14 Modified 2026-07-14 Official page ↗
Status
Analyzed
Published
2026-07-14
Last modified
2026-07-14
Assigner
[email protected]
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
9.1 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weaknesses
CWE-177

Description

Improper Handling of URL Encoding (Hex Encoding) vulnerability in Apache Tomcat's rewrite valve allowed security constraint bypass for some configurations. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.23, from 10.1.0-M1 through 10.1.56, from 9.0.0.M1 through 9.0.119, from 8.5.0 through 8.5.100. Other versions that have reached end of support may also be affected. Users are recommended to upgrade to version 11.0.24, 10.1.57 or 9.0.120, which fix the issue.

Affected configurations

• apache tomcat (<= 8.0.0) • apache tomcat (>= 8.5.0 <= 8.5.100) • apache tomcat (>= 9.0.0 <= 9.0.119) • apache tomcat (>= 10.1.0 <= 10.1.56) • apache tomcat (>= 11.0.0 <= 11.0.23)

Related

Weakness · CWE (1)

  • CWE-177 Improper Handling of URL Encoding (Hex Encoding) weakness

References