EIP-2026-118628

PRE-CVE

Half-Life 1.1 Client - Server Message Format String

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-118628. PoCs published by greuff.

AI-analyzed exploit summary This is a functional exploit for a format string vulnerability in the Half-Life client when using the Adminmod plugin. It leverages a crafted message to achieve remote code execution, spawning a shell on port 8008.

Description

Half-Life 1.1 Client - Server Message Format String

Exploits (1)

exploitdb WORKING POC VERIFIED
by greuff · cremotewindows
https://www.exploit-db.com/exploits/22142

This is a functional exploit for a format string vulnerability in the Half-Life client when using the Adminmod plugin. It leverages a crafted message to achieve remote code execution, spawning a shell on port 8008.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Half-Life client with Adminmod plugin
No auth needed
Prerequisites: Target must be running Half-Life with Adminmod plugin · Network access to the target
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026