{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-101296","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","state":"PUBLISHED","assignerShortName":"apache","dateReserved":"2026-09-28T13:07:28.598Z","datePublished":"2026-10-20T13:45:39.959Z","dateUpdated":"2026-10-21T06:31:55.233Z"},"containers":{"cna":{"providerMetadata":{"orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","shortName":"apache","dateUpdated":"2026-10-21T06:31:55.233Z"},"title":"Apache Tomcat: JNDIRealm bind credential validation fails open for non-GSSAPI SASL mechanisms","problemTypes":[{"descriptions":[{"description":"CWE-304 Missing critical step in authentication","lang":"en","cweId":"CWE-304","type":"CWE"}]}],"source":{"discovery":"EXTERNAL"},"affected":[{"vendor":"Apache Software Foundation","product":"Apache Tomcat","versions":[{"status":"affected","version":"11.0.0-M1","lessThanOrEqual":"11.0.26","versionType":"semver"},{"status":"affected","version":"10.1.0-M1","lessThanOrEqual":"10.1.60","versionType":"semver"},{"status":"affected","version":"9.0.0.M1","lessThanOrEqual":"9.0.122","versionType":"semver"},{"status":"affected","version":"8.5.0","lessThanOrEqual":"8.5.100","versionType":"semver"},{"status":"affected","version":"7.0.0","lessThanOrEqual":"7.0.109","versionType":"semver"}],"defaultStatus":"unaffected"}],"descriptions":[{"value":"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\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.","lang":"en","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>A missing critical step in authentication vulnerability in Apache Tomcat when the JNDI realm was configured with with a non GSSAPI SASL authentication mechanism&nbsp;<span>allowed attackers to authenticate without providing the correct password.</span></p><p>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.</p><p><span>The following versions were EOL at the time the CVE was created but are known to be affected:</span><span>&nbsp;</span>from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109.&nbsp;<span>Other unsupported versions may also be affected.</span></p><p>Users are recommended to upgrade to version 11.0.27, 10.1.61 or 9.0.123, which fix the issue.</p>"}]}],"references":[{"url":"https://lists.apache.org/thread.html/bl52b9go9ckoov8x4v3dt6rkm573cygd","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"important"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"credits":[{"lang":"en","value":"Sai Sreewathsa Kovalluri, Shon Babu, and Kannan K of Innspark Solutions Private Limited","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/10/20/26"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-10-20T18:09:50.320Z"}},{"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","userInteraction":"NONE","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","subIntegrityImpact":"NONE","vulnIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","vulnConfidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-10-20T00:00:00+00:00","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-101296"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-21T03:56:29.578Z"}}]}}