{"schemaVersion":3,"id":"CVE-2026-76560","aliases":["UBUNTU-CVE-2026-76560","DEBIAN-CVE-2026-76560"],"status":"published","duplicateOf":null,"title":null,"description":"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.","dates":{"published":"2026-09-07T13:18:09.643Z","modified":"2026-10-08T14:15:02.911Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Ubuntu","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Debian","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00556,"percentile":0.45334,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.18899999999999997,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00367},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0064,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0064,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0064,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00556,"percentile":0.45334}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00367,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0064,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0064,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0064,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00556,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00556,"percentile":0.45334}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-863","name":"Incorrect Authorization","description":"The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.","type":"weakness","status":"Incomplete","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/863.html"}],"affected":[{"vendor":"debian","product":"389-ds-base","name":"389-ds-base","label":"389-ds-base","ecosystem":"Debian","cpePart":null,"purl":"pkg:deb/debian/389-ds-base","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null},{"vendor":"ubuntu","product":"389-ds-base","name":"389-ds-base","label":"389-ds-base","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/389-ds-base","purlType":"deb","versions":[{"text":"All versions","noFixRecorded":true,"fixedIn":null}],"versionsText":"All versions (No fix recorded)","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:64771","label":"access.redhat.com/errata/RHSA-2026:64771","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64776","label":"access.redhat.com/errata/RHSA-2026:64776","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64778","label":"access.redhat.com/errata/RHSA-2026:64778","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64779","label":"access.redhat.com/errata/RHSA-2026:64779","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64780","label":"access.redhat.com/errata/RHSA-2026:64780","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64781","label":"access.redhat.com/errata/RHSA-2026:64781","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64783","label":"access.redhat.com/errata/RHSA-2026:64783","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64784","label":"access.redhat.com/errata/RHSA-2026:64784","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64785","label":"access.redhat.com/errata/RHSA-2026:64785","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64789","label":"access.redhat.com/errata/RHSA-2026:64789","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64790","label":"access.redhat.com/errata/RHSA-2026:64790","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64791","label":"access.redhat.com/errata/RHSA-2026:64791","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64792","label":"access.redhat.com/errata/RHSA-2026:64792","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64793","label":"access.redhat.com/errata/RHSA-2026:64793","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:64804","label":"access.redhat.com/errata/RHSA-2026:64804","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:65119","label":"access.redhat.com/errata/RHSA-2026:65119","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/errata/RHSA-2026:79217","label":"access.redhat.com/errata/RHSA-2026:79217","hostname":"access.redhat.com","tags":["Vendor Advisory","X Refsource REDHAT"]},{"url":"https://access.redhat.com/security/cve/CVE-2026-76560","label":"access.redhat.com/security/cve/CVE-2026-76560","hostname":"access.redhat.com","tags":["VDB Entry","X Refsource REDHAT"]},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2519521","label":"bugzilla.redhat.com/show_bug.cgi?id=2519521","hostname":"bugzilla.redhat.com","tags":["Issue Tracking","X Refsource REDHAT","REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-76560","label":"ubuntu.com/security/CVE-2026-76560","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-76560","label":"www.cve.org/CVERecord?id=CVE-2026-76560","hostname":"www.cve.org","tags":["REPORT"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-76560","label":"security-tracker.debian.org/tracker/CVE-2026-76560","hostname":"security-tracker.debian.org","tags":["Advisory"]}],"lineage":{"upstream":[],"downstream":["OPENSUSE-SU-2026:11739-1","OPENSUSE-SU-2026:21950-1","RHSA-2026:64771","RHSA-2026:64776","RHSA-2026:64778","RHSA-2026:64779","RHSA-2026:64780","RHSA-2026:64781","RHSA-2026:64783","RHSA-2026:64784","RHSA-2026:64785","RHSA-2026:64789","RHSA-2026:64790","RHSA-2026:64791","RHSA-2026:64792","RHSA-2026:64793","RHSA-2026:64804","RHSA-2026:79217","SUSE-SU-2026:23916-1","SUSE-SU-2026:4380-1"],"duplicates":[],"related":["OPENSUSE-SU-2026:11739-1","OPENSUSE-SU-2026:21950-1","SUSE-SU-2026:23916-1","SUSE-SU-2026:4380-1"]},"timeline":[{"kind":"published","date":"2026-09-07T13:18:09.643Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-08T14:15:02.911Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T10:07:51.024Z","stale":false,"partial":false}}