CVE-2011-1088 Apache Tomcat allows remote attackers to bypass intended access restrictions

What is CVE-2011-1088?

CVE-2011-1088 is a medium-severity authentication bypass vulnerability in Apache Tomcat, published on 14 Mar 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Apache Tomcat 7.x before 7.0.10 does not follow ServletSecurity annotations, which allows remote attackers to bypass intended access restrictions via HTTP requests to a web application.

Which versions are affected by CVE-2011-1088?

2 open source packages ship an affected version, including org.apache.tomcat:tomcat. It affects 1 product.

Products include Apache Tomcat.

How do I fix CVE-2011-1088?

Upgrade org.apache.tomcat:tomcat to 7.0.10 or later.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2011-1088 being exploited?

There is no known exploitation of CVE-2011-1088 in the wild and no public exploit code.

Other vulnerabilities in Apache Tomcat

• CVE-2025-24813 Apache Tomcat Path Equivalence Exploited Critical 10.0
• CVE-2016-8735 Apache Tomcat Remote Code Execution Exploited Critical 9.8
• CVE-2017-12617 Apache Tomcat Remote Code Execution Exploited High 8.1
• CVE-2017-12615 Apache Tomcat on Windows Remote Code Execution Exploited High 8.1
• CVE-2026-34486 Apache Tomcat Missing Encryption of Sensitive Data Exploited High 7.5

All Apache Tomcat vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-mg4v-rf8p-ghqq.