SB2026071451 - Two vulnerabilities in Apache Tomcat

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Main Vulnerability Database SB2026071451

SB2026071451 - Two vulnerabilities in Apache Tomcat

Published: July 14, 2026

Security Bulletin ID SB2026071451
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Insufficient Technical Documentation (CVE-ID: CVE-2026-59084)

CWE-ID: CWE-1059 - Insufficient Technical Documentation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to bypass encryption protections.

The vulnerability exists due to improper documentation in EncryptInterceptor configuration when deploying the feature. A remote user can leverage an insecure configuration to bypass encryption protections.


2) Incorrect Behavior Order: Validate Before Canonicalize (CVE-ID: CVE-2026-59083)

CWE-ID: CWE-180 - Incorrect Behavior Order: Validate Before Canonicalize

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to bypass security controls.

The vulnerability exists due to incorrect URL decoding in RewriteValve when processing rewritten URIs. A remote attacker can send a specially crafted request to bypass security controls.

Only some configurations are vulnerable.


Remediation

Install update from vendor's website.

References