EIP-2026-104699

PRE-CVE

PHP 4.x/5.0 Shared Memory Module - Offset Memory Corruption

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104699. PoCs published by Stefano Di Paola.

AI-analyzed exploit summary This PoC exploits an integer handling vulnerability in the PHP shmop module to perform an arbitrary write into process memory, specifically targeting the safe_mode global variable to bypass PHP's safe mode restrictions. The exploit uses shmop_write with a crafted offset to overwrite the safe_mode value, demonstrating privilege escalation in a shared-server environment.

Description

PHP 4.x/5.0 Shared Memory Module - Offset Memory Corruption

Exploits (1)

exploitdb WORKING POC VERIFIED
by Stefano Di Paola · phplocalphp
https://www.exploit-db.com/exploits/25040

This PoC exploits an integer handling vulnerability in the PHP shmop module to perform an arbitrary write into process memory, specifically targeting the safe_mode global variable to bypass PHP's safe mode restrictions. The exploit uses shmop_write with a crafted offset to overwrite the safe_mode value, demonstrating privilege escalation in a shared-server environment.

Classification
Working Poc 95%
Attack Type
Lpe
Complexity
Moderate
Reliability
Reliable
Target: PHP (shmop module)
No auth needed
Prerequisites: PHP with shmop extension enabled · Shared memory segment creation permissions
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026