CVE-2026-101296 PUBLISHED

Apache Tomcat: JNDIRealm bind credential validation fails open for non-GSSAPI SASL mechanisms

Assigner: apache
Reserved: 28.09.2026 Published: 20.10.2026 Updated: 20.10.2026

A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was configured with with a non GSSAPI SASL authentication mechanism allowed attackers to authenticate without providing the correct password.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.26, from 10.1.0-M1 through 10.1.60, from 9.0.0.M1 through 9.0.122.

The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.

Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.

Product Status

Vendor Apache Software Foundation
Product Apache Tomcat
Versions Default: unaffected
  • affected from 11.0.0-M1 to 11.0.26 (incl.)
  • affected from 10.1.0-M1 to 10.1.60 (incl.)
  • affected from 9.0.0.M1 to 9.0.122 (incl.)
  • affected from 8.5.0 to 8.5.100 (incl.)
  • affected from 7.0.0 to 7.0.109 (incl.)

Credits

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

References

Problem Types

  • CWE-304 Missing critical step in authentication CWE