Apache Tomcat Security Restriction Bypass Vulnerability

Release Date: 20 Feb 2026

RISK: Medium Risk

TYPE: Servers - Web Servers

A vulnerability has been identified in Apache Tomcat. A remote attacker could exploit this vulnerability to trigger security restriction bypass on the targeted system.

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Impact

• Security Restriction Bypass

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System / Technologies affected

• Apache Tomcat version 9.0.83 to 9.0.114
• Apache Tomcat version 10.1.0-M7 to 10.1.51
• Apache Tomcat version 11.0.0-M1 to 11.0.17

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Solutions

Before installation of the software, please visit the vendor web-site for more details.

 

Apply fixes issued by the vendor:

• https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.115
• https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.52
• https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.18

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Vulnerability Identifier

• CVE-2026-24734

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Source

• Apache Tomcat

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Related Link

• https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.115
• https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.52
• https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.18