{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-76560", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-08-19T13:01:16.163Z", "datePublished": "2026-09-07T13:18:09.643Z", "dateUpdated": "2026-10-08T14:15:02.911Z" }, "containers": { "cna": { "title": "389-ds-base: 389-ds: anonymous ldap client can defeat selfdn aci bind-rule checks via empty bind dn", "metrics": [ { "other": { "content": { "value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "A flaw was found in 389 Directory Server. The SELFDN ACI bind-rule evaluator incorrectly matches an anonymous LDAP client's empty bind DN against an empty stored attribute value, allowing an unauthenticated client to satisfy access control checks intended to require a matching authenticated identity. This can allow an anonymous LDAP client to perform an operation, such as adding or modifying a directory entry, that a SELFDN-based ACI intended to restrict to a specific authenticated user." } ], "affected": [ { "vendor": "Red Hat", "product": "Red Hat Directory Server 11.5 E4S for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "redhat-ds:11", "defaultStatus": "affected", "versions": [ { "version": "8060020260908152739.0ca98e7e", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:directory_server_e4s:11.5::el8" ] }, { "vendor": "Red Hat", "product": "Red Hat Directory Server 11.7 E4S for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "redhat-ds:11", "defaultStatus": "affected", "versions": [ { "version": "8080020260903102346.f969626e", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:directory_server_e4s:11.7::el8" ] }, { "vendor": "Red Hat", "product": "Red Hat Directory Server 11.9 for RHEL 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "redhat-ds:11", "defaultStatus": "affected", "versions": [ { "version": "8100020260904171440.37ed7c03", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:directory_server:11.9::el8" ] }, { "vendor": "Red Hat", "product": "Red Hat Directory Server 12.2 E4S for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "redhat-ds:12", "defaultStatus": "affected", "versions": [ { "version": "9020020260903155914.1674d574", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:directory_server_e4s:12.2::el9" ] }, { "vendor": "Red Hat", "product": "Red Hat Directory Server 12.4 E4S for RHEL 9", "collectionURL": 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"https://access.redhat.com/downloads/content/package-browser/", "packageName": "389-ds:1.4", "defaultStatus": "affected", "versions": [ { "version": "8060020260901145727.824efc52", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_aus:8.6::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "389-ds:1.4", "defaultStatus": "affected", "versions": [ { "version": "8060020260901145727.824efc52", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:rhel_aus:8.6::appstream", "cpe:/a:redhat:rhel_eus_long_life:8.6::appstream" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8.8 Telecommunications Update Service", "collectionURL": 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Enterprise Linux 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "389-ds-base", "defaultStatus": "unknown", "cpes": [ "cpe:/o:redhat:enterprise_linux:6" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "389-ds-base", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:8" ] } ], "references": [ { "url": "https://access.redhat.com/errata/RHSA-2026:64771", "name": "RHSA-2026:64771", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:64776", "name": "RHSA-2026:64776", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:64778", "name": "RHSA-2026:64778", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:64779", "name": "RHSA-2026:64779", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:64780", "name": "RHSA-2026:64780", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:64781", "name": "RHSA-2026:64781", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:64783", "name": "RHSA-2026:64783", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:64784", "name": "RHSA-2026:64784", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:64785", "name": "RHSA-2026:64785", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:64789", "name": "RHSA-2026:64789", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:64790", "name": "RHSA-2026:64790", 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"vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2519521", "name": "RHBZ#2519521", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] } ], "datePublic": "2026-09-07T12:00:00.000Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-863", "description": "Incorrect Authorization", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-863: Incorrect Authorization", "workarounds": [ { "lang": "en", "value": "Until a fix is available, review all ACIs using userattr=\"...#SELFDN\" bind rules and confirm the target attribute cannot be set to an empty value, or add an explicit authmethod restriction to the ACI to prevent anonymous binds from satisfying the check. Where anonymous binds are not required, disabling anonymous access to the directory removes the attack surface entirely." } ], "timeline": [ { "lang": "en", "time": "2026-08-15T16:11:15.000Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-09-07T12:00:00.000Z", "value": "Made public." } ], "credits": [ { "lang": "en", "value": "Red Hat would like to thank Gia Bui (yabeow) (Calif.io) for reporting this issue." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-10-08T14:15:02.911Z" }, "x_generator": { "engine": "cvelib 1.8.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-08T12:53:18.327856Z", "id": "CVE-2026-76560", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-08T12:53:26.192Z" } } ] } }