EIP-2026-109698

PRE-CVE

MyBB 1.8.2 - 'unset_globals()' Function Bypass / Remote Code Execution

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-109698. PoCs published by Taoguang Chen.

AI-analyzed exploit summary This exploit demonstrates a bypass of MyBB's unset_globals() function, leading to remote code execution (RCE) via manipulation of the $shutdown_functions array. The vulnerability arises from improper handling of global variables when register_globals is enabled and specific conditions are met.

Description

MyBB 1.8.2 - 'unset_globals()' Function Bypass / Remote Code Execution

Exploits (1)

exploitdb WORKING POC
by Taoguang Chen · webappsphp
https://www.exploit-db.com/exploits/35323

This exploit demonstrates a bypass of MyBB's unset_globals() function, leading to remote code execution (RCE) via manipulation of the $shutdown_functions array. The vulnerability arises from improper handling of global variables when register_globals is enabled and specific conditions are met.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: MyBB <= 1.8.2 and MyBB 1.6 <= 1.6.15
No auth needed
Prerequisites: register_globals enabled · request_order set to 'GP' or disable_functions set to 'ini_get'
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026