CVE-2026-33728: dd-trace-java: Unsafe deserialization in RMI instrumentation may lead to remote code execution

(updated )

In versions of dd-trace-java prior to 1.60.3, the RMI instrumentation registered a custom endpoint that deserialized incoming data without applying serialization filters. On JDK version 16 and earlier, an attacker with network access to a JMX or RMI port on an instrumented JVM could exploit this to potentially achieve remote code execution. All three of the following conditions must be true to exploit this vulnerability:

  1. dd-trace-java is attached as a Java agent (-javaagent) on Java 16 or earlier
  2. A JMX/RMI port has been explicitly configured via -Dcom.sun.management.jmxremote.port and is network-reachable
  3. A gadget-chain-compatible library is present on the classpath

References

Code Behaviors & Features

Detect and mitigate CVE-2026-33728 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →