{"id":"CVE-2026-101296","title":"Apache Tomcat: JNDIRealm bind credential validation fails open for non-GSSAPI SASL mechanisms","summary":"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.\n\n\n…","severity":"none","cwe":["CWE-304"],"vendor":"Apache Software Foundation","product":"Apache Tomcat","affected":["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","apache_tomcat >= 8.5.0 <= 8.5.100","apache_tomcat >= 7.0.0 <= 7.0.109"],"published":"2026-10-20","updated":"2026-10-20","sourceUpdated":"2026-10-20T13:45:39.959Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-101296","references":[{"url":"https://lists.apache.org/thread.html/bl52b9go9ckoov8x4v3dt6rkm573cygd"}],"tags":["cve.org"],"ingestedAt":"2026-10-20T14:08:00.570Z","slug":"CVE-2026-101296","body":"## Overview\n\nA 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.\n\n\n\nThis 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.\n\n\n\nThe 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.\n\n\n\nUsers are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.\n\n## Affected\n\n- `apache_tomcat >= 11.0.0-M1 <= 11.0.26`\n- `apache_tomcat >= 10.1.0-M1 <= 10.1.60`\n- `apache_tomcat >= 9.0.0.M1 <= 9.0.122`\n- `apache_tomcat >= 8.5.0 <= 8.5.100`\n- `apache_tomcat >= 7.0.0 <= 7.0.109`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}