CVE-2026-46495

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.

• CWE-502

• https://github.com/OpenIdentityPlatform/OpenDJ/commit/7e3a75903159153c877daeb2952a552701e38044
• https://github.com/OpenIdentityPlatform/OpenDJ/commit/d4a95c2e37c375756f9829c7ec43a4785b99e2e2
• https://github.com/OpenIdentityPlatform/OpenDJ/pull/651
• https://github.com/OpenIdentityPlatform/OpenDJ/releases/tag/5.1.1
• https://github.com/OpenIdentityPlatform/OpenDJ/security/advisories/GHSA-43x2-g84q-fmqx

Published

Sep 15, 2026

Last Modified

Sep 25, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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