CVE-2010-4312 Apache Tomcat has cookies without HTTPOnly flag in Set-Cookie header

What is CVE-2010-4312?

CVE-2010-4312 is a medium-severity vulnerability in Apache Tomcat, published on 26 Nov 2010. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The default configuration of Apache Tomcat 6.x does not include the HTTPOnly flag in a Set-Cookie header, which makes it easier for remote attackers to hijack a session via script access to a cookie.

Weakness: CWE-16

Which versions are affected by CVE-2010-4312?

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-2010-4312?

Upgrade org.apache.tomcat:tomcat to 6.0.35 or later.

Is CVE-2010-4312 being exploited?

There is no known exploitation of CVE-2010-4312 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-pvjh-7h8q-q56r.