EIP-2026-103183

PRE-CVE

OpenNMS - Java Object Unserialization Remote Code Execution (Metasploit)

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103183. PoCs published by Metasploit.

AI-analyzed exploit summary This Metasploit module exploits a Java object deserialization vulnerability in OpenNMS, allowing unauthenticated remote code execution via crafted RMI requests. The payload is embedded in serialized data sent to the target.

Description

OpenNMS - Java Object Unserialization Remote Code Execution (Metasploit)

Exploits (1)

exploitdb WORKING POC VERIFIED

by Metasploit · rubyremotelinux

https://www.exploit-db.com/exploits/40610

View Code ZIP pw:eip

This Metasploit module exploits a Java object deserialization vulnerability in OpenNMS, allowing unauthenticated remote code execution via crafted RMI requests. The payload is embedded in serialized data sent to the target.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: OpenNMS (version not specified)

No auth needed

Prerequisites: Network access to OpenNMS RMI port (default 1099) · Vulnerable OpenNMS instance

MITRE ATT&CK

T1189 - Drive-by Compromise T1203 - Exploitation for Client Execution

devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026