EIP-2026-110945

PRE-CVE

phpBB 2.0.12 - Session Handling Authentication Bypass (tutorial)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-110945. PoCs published by PPC.

AI-analyzed exploit summary This exploit demonstrates an authentication bypass vulnerability in phpBB by manipulating the serialized cookie data to escalate privileges to admin. The attacker modifies the 'userid' field in the cookie to match the admin's user ID.

Description

phpBB 2.0.12 - Session Handling Authentication Bypass (tutorial)

Exploits (1)

exploitdb WORKING POC VERIFIED
by PPC · textwebappsphp
https://www.exploit-db.com/exploits/858

This exploit demonstrates an authentication bypass vulnerability in phpBB by manipulating the serialized cookie data to escalate privileges to admin. The attacker modifies the 'userid' field in the cookie to match the admin's user ID.

Classification
Working Poc 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: phpBB (version not specified)
Auth required
Prerequisites: Valid user account on the target forum · Access to the victim's cookie file
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026