Apache Tomcat Multiple Vulnerabilities

Apache Tomcat Multiple Vulnerabilities

Release Date: 29 Sep 2026

Multiple vulnerabilities were identified in Apache Tomcat. A remote attacker could exploit some of these vulnerabilities to trigger denial of service condition, security restriction bypass and data manipulation on the targeted system.

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Impact

• Denial of Service
• Data Manipulation
• Security Restriction Bypass

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System / Technologies affected

• Apache Tomcat version 9.0.0.M1 to 9.0.121
• Apache Tomcat version 10.1.0-M1 to 10.1.59
• Apache Tomcat version 11.0.0-M1 to 11.0.25

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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_9.0.122
• https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.60
• https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.26

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Vulnerability Identifier

• CVE-2026-73581
• CVE-2026-75973
• CVE-2026-76183
• CVE-2026-77756
• CVE-2026-77762
• CVE-2026-77791
• CVE-2026-78383
• CVE-2026-78437
• CVE-2026-79677
• CVE-2026-86248
• CVE-2026-86350
• CVE-2026-87022

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Source

• Apache Tomcat

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Related Link

• https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.122
• https://tomcat.apache.org/security-10.html#Fixed_in_Apache_Tomcat_10.1.60
• https://tomcat.apache.org/security-11.html#Fixed_in_Apache_Tomcat_11.0.26