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An unauthenticated remote attacker can inject LDAP search filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the search against cn=config with elevated replication plugin privileges and returns a boolean match result, the attacker can extract sensitive server configuration metadata, including replication bind DNs and password storage scheme information."}], "id": "CVE-2026-11770", "lastModified": "2026-08-18T15:16:48.017", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-11770", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-31T23:22:55.275926Z", "version": "2.0.3"}}]}, "published": "2026-07-31T10:16:44.720", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55421"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55422"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55423"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55424"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55425"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55426"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55530"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55532"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55756"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55757"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55758"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:55794"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:56047"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:56048"}, {"source": "secalert@redhat.com", "url": "https://access.redhat.com/errata/RHSA-2026:56050"}, {"source": "secalert@redhat.com", "tags": ["Vendor Advisory"], "url": "https://access.redhat.com/security/cve/CVE-2026-11770"}, {"source": "secalert@redhat.com", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484802"}, {"source": "secalert@redhat.com", "tags": ["Product"], "url": "https://github.com/389ds/389-ds-base/blob/main/ldap/servers/plugins/replication/repl_extop.c"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-90"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{"acknowledgement": "This issue was discovered by Ian Murphy (Red Hat).", "bugzilla": {"description": "389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check", "id": "2484802", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2484802"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-90", "details": ["A flaw was found in 389 Directory Server. An unauthenticated remote attacker can inject LDAP search filters into the CleanAllRUV replication status-check extended operation. Because the handler performs the search against cn=config with elevated replication plugin privileges and returns a boolean match result, the attacker can extract sensitive server configuration metadata, including replication bind DNs and password storage scheme information."], "mitigation": {"lang": "en:us", "value": "Set nsslapd-allow-anonymous-access to rootdse or off. Restrict LDAP ports to trusted networks. Monitor for extop OID 2.16.840.1.113730.3.6.8. Use strong replication manager passwords."}, "name": "CVE-2026-11770", "package_state": [{"cpe": "cpe:/a:redhat:directory_server:11", "fix_state": "Affected", "package_name": "redhat-ds:11/389-ds-base", "product_name": "Red Hat Directory Server 11"}, {"cpe": "cpe:/a:redhat:directory_server:12", "fix_state": "Affected", "package_name": "redhat-ds:12/389-ds-base", "product_name": "Red Hat Directory Server 12"}, {"cpe": "cpe:/a:redhat:directory_server:13", "fix_state": "Affected", "package_name": "389-ds-base", "product_name": "Red Hat Directory Server 13"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "389-ds-base", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "389-ds-base", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "389-ds-base", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "389-ds-base", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "389-ds-base", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-31T09:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-11770\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-11770\nhttps://github.com/389ds/389-ds-base/blob/main/ldap/servers/plugins/replication/repl_extop.c"], "statement": "A Moderate impact information disclosure flaw was found in 389 Directory Server. An unauthenticated remote attacker can exploit an LDAP filter injection vulnerability in the CleanAllRUV status-check extended operation. Red Hat products with `nsslapd-allow-anonymous-access` enabled by default are particularly susceptible.", "threat_severity": "Moderate"}