EIP-2026-109825

PRE-CVE

Nagios XI 5.6.5 - Remote Code Execution / Root Privilege Escalation

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-109825. PoCs published by Jak Gibb.

AI-analyzed exploit summary This exploit leverages a privilege escalation vulnerability in Nagios XI <= 5.6.5 by modifying the 'check_plugin' executable, which is executed as root via a passwordless sudo entry in getprofile.sh. The exploit uploads a malicious plugin containing a reverse shell payload and triggers it by generating a system profile.

Description

Nagios XI 5.6.5 - Remote Code Execution / Root Privilege Escalation

Exploits (1)

exploitdb WORKING POC
by Jak Gibb · phpwebappsphp
https://www.exploit-db.com/exploits/47299

This exploit leverages a privilege escalation vulnerability in Nagios XI <= 5.6.5 by modifying the 'check_plugin' executable, which is executed as root via a passwordless sudo entry in getprofile.sh. The exploit uploads a malicious plugin containing a reverse shell payload and triggers it by generating a system profile.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Nagios XI <= 5.6.5
Auth required
Prerequisites: Access to the server as the 'nagios' user or CCM access via the web interface with permissions to manage plugins · Valid credentials for authentication
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026