EIP-2026-112109

PRE-CVE

Simple Machines Forum (SMF) 1.1 rc2 - Lock Topics

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-112109. PoCs published by rgod.

AI-analyzed exploit summary This PHP script exploits a vulnerability in Simple Machines Forum (SMF) <= 1.1.RC2 by manipulating the 'lock' parameter and Zend Hash functions to lock a topic without proper authorization. It automates authentication, session handling, and crafted POST requests to trigger the vulnerability.

Description

Simple Machines Forum (SMF) 1.1 rc2 - Lock Topics

Exploits (1)

exploitdb WORKING POC VERIFIED
by rgod · phpwebappsphp
https://www.exploit-db.com/exploits/2243

This PHP script exploits a vulnerability in Simple Machines Forum (SMF) <= 1.1.RC2 by manipulating the 'lock' parameter and Zend Hash functions to lock a topic without proper authorization. It automates authentication, session handling, and crafted POST requests to trigger the vulnerability.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: Simple Machines Forum <= 1.1.RC2
Auth required
Prerequisites: Valid user credentials · Topic ID to lock
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026