Authentication Issue in Apache Tomcat Affects Multiple Versions
CVE-2026-101296

Currently unrated

Key Information:

Vendor

Apache
Status
Apache Tomcat
Vendor
CVE Published:
20 October 2026

What is CVE-2026-101296?

An authentication flaw in Apache Tomcat occurs when the JNDI realm is configured with a non-GSSAPI SASL authentication mechanism, enabling unauthorized access. Attackers can bypass standard password checks, potentially compromising security. This vulnerability impacts several versions of Apache Tomcat, and users are advised to upgrade to patched versions to mitigate the risk.

Affected Version(s)

Apache Tomcat 11.0.0-M1 <= 11.0.26

Apache Tomcat 10.1.0-M1 <= 10.1.60

Apache Tomcat 9.0.0.M1 <= 9.0.122

References

https://lists.apache.org/thread.html/bl52b9go9ckoov8x4v3d...
vendor-advisory

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

ai Sreewathsa Kovalluri, Shon Babu, and Kannan K of Innspark Solutions Private Limited
.