EIP-2026-107127

PRE-CVE

Flatnuke 2.5.8 - 'file()' Privilege Escalation / Code Execution

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-107127. PoCs published by rgod.

AI-analyzed exploit summary This exploit targets Flatnuke <=2.5.8, leveraging a directory traversal vulnerability in the 'myforum' cookie to escalate privileges and upload a malicious .gif file containing PHP code. The exploit then renames the file to .php and executes arbitrary commands via HTTP headers.

Description

Flatnuke 2.5.8 - 'file()' Privilege Escalation / Code Execution

Exploits (1)

exploitdb WORKING POC VERIFIED
by rgod · phpwebappsphp
https://www.exploit-db.com/exploits/2498

This exploit targets Flatnuke <=2.5.8, leveraging a directory traversal vulnerability in the 'myforum' cookie to escalate privileges and upload a malicious .gif file containing PHP code. The exploit then renames the file to .php and executes arbitrary commands via HTTP headers.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: Flatnuke <=2.5.8
No auth needed
Prerequisites: Target must have Flatnuke <=2.5.8 installed · The 'misc/flatstat/2006/1.php' file must exist on the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026