EIP-2026-110629

PRE-CVE

PHP 4.3.9 + phpBB 2.x - 'Unserialize()' Remote Information Leak

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-110629. PoCs published by overdose.

AI-analyzed exploit summary This exploit targets a PHP deserialization vulnerability in phpBB2 to dump heap memory, potentially exposing sensitive information like database credentials. It crafts a malicious cookie to trigger the vulnerability and reads the response.

Description

PHP 4.3.9 + phpBB 2.x - 'Unserialize()' Remote Information Leak

Exploits (1)

exploitdb WORKING POC VERIFIED
by overdose · cwebappsphp
https://www.exploit-db.com/exploits/697

This exploit targets a PHP deserialization vulnerability in phpBB2 to dump heap memory, potentially exposing sensitive information like database credentials. It crafts a malicious cookie to trigger the vulnerability and reads the response.

Classification
Working Poc 90%
Attack Type
Deserialization
Complexity
Moderate
Reliability
Reliable
Target: phpBB2 (PHP with ext/standard/var_unserializer.c vulnerability)
No auth needed
Prerequisites: Network access to the target phpBB2 instance · PHP deserialization vulnerability in ext/standard/var_unserializer.c
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026