{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-46495", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-14T18:06:06.811Z", "datePublished": "2026-09-15T14:09:30.669Z", "dateUpdated": "2026-09-15T14:48:13.800Z" }, "containers": { "cna": { "title": "OpenDJ Pre-Auth RCE via Java Deserialization in JMX RMI", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-502", "lang": "en", "description": "CWE-502: Deserialization of Untrusted Data", "type": "CWE" } ] } ], "metrics": [ { "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 9.2, "baseSeverity": "CRITICAL", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "version": "4.0" } } ], "references": [ { "name": "https://github.com/OpenIdentityPlatform/OpenDJ/security/advisories/GHSA-43x2-g84q-fmqx", "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/OpenIdentityPlatform/OpenDJ/security/advisories/GHSA-43x2-g84q-fmqx" }, { "name": "https://github.com/OpenIdentityPlatform/OpenDJ/pull/651", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/OpenIdentityPlatform/OpenDJ/pull/651" }, { "name": "https://github.com/OpenIdentityPlatform/OpenDJ/commit/7e3a75903159153c877daeb2952a552701e38044", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/OpenIdentityPlatform/OpenDJ/commit/7e3a75903159153c877daeb2952a552701e38044" }, { "name": "https://github.com/OpenIdentityPlatform/OpenDJ/commit/d4a95c2e37c375756f9829c7ec43a4785b99e2e2", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/OpenIdentityPlatform/OpenDJ/commit/d4a95c2e37c375756f9829c7ec43a4785b99e2e2" }, { "name": "https://github.com/OpenIdentityPlatform/OpenDJ/releases/tag/5.1.1", "tags": [ "x_refsource_MISC" ], "url": "https://github.com/OpenIdentityPlatform/OpenDJ/releases/tag/5.1.1" } ], "affected": [ { "vendor": "OpenIdentityPlatform", "product": "OpenDJ", "versions": [ { "version": "< 5.1.1", "status": "affected" } ] }, { "vendor": "org.openidentityplatform.opendj", "product": "opendj-server-legacy", "versions": [ { "version": "< 5.1.1", "status": "affected" } ] } ], "providerMetadata": { "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-15T14:09:30.669Z" }, "descriptions": [ { "lang": "en", "value": "OpenDJ is an LDAPv3 compliant directory service. Prior to 5.1.1, the JMX RMI connector in opendj-server-legacy/src/main/java/org/opends/server/protocols/jmx/RmiConnector.java processes attacker-controlled credential objects before authentication without a restrictive jmx.remote.rmi.server.credentials.filter.pattern, and RmiAuthenticator.authenticate in opendj-server-legacy/src/main/java/org/opends/server/protocols/jmx/RmiAuthenticator.java accepts an unconstrained Object array rather than a two-element String[]. When the JMX Connection Handler is enabled and its TCP listener is reachable, an unauthenticated remote attacker can submit a crafted serialized Java object and achieve code execution in the OpenDJ server process. The handler is disabled by default, and successful exploitation depends on the runtime classpath and Java version; remote code execution was demonstrated against OpenDJ 4.4.15 on JDK 11 with Jackson 2.12.6.1. This issue is fixed in 5.1.1." } ], "source": { "advisory": "GHSA-43x2-g84q-fmqx", "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-15T14:48:04.687911Z", "id": "CVE-2026-46495", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-15T14:48:13.800Z" } } ] } }