Incorrect Behavior Order: Authorization Before Parsing and Canonicalization Affecting tomcat6 package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.14% (63rd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL6-TOMCAT6-18715971
  • published12 Aug 2026
  • disclosed12 May 2026

Introduced: 12 May 2026

CVE-2026-43515  (opens in a new tab)
CWE-551  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:6 tomcat6.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat6 package and not the tomcat6 package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

Improper Authorization vulnerability when multiple method constraints define an HTTP method for the same extension in Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.21, from 10.1.0-M1 through 10.1.54, from 9.0.0.M1 through 9.0.117, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.

Users are recommended to upgrade to version 11.0.22, 10.1.55 or 9.0.118 which fix the issue.

CVSS Base Scores

version 3.1