CVE-2026-101296

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

State
Published
Severity
9.1 Critical
Published
Oct 20, 2026
Updated
Oct 21, 2026
Reserved
Sep 28, 2026

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
4.09.1 CriticalCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:NCISA-ADP

Weaknesses

  • CWE-304 Missing critical step in authentication

Affected Products

ProductVersions
Apache TomcatApache Software Foundation
  • 11.0.0-M1 through 11.0.26Affected
  • 10.1.0-M1 through 10.1.60Affected
  • 9.0.0.M1 through 9.0.122Affected
  • 8.5.0 through 8.5.100Affected
  • 7.0.0 through 7.0.109Affected

References

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