{ "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": "
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.
" } ] } ], "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" } } ] } }