EIP-2026-104393

PRE-CVE

PHP 7.1 < 7.3 - 'json serializer' disable_functions Bypass

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104393. PoCs published by mm0r1.

AI-analyzed exploit summary This PHP exploit leverages a use-after-free (UAF) vulnerability in PHP's SplFixedArray and DateInterval handling to achieve arbitrary memory read/write, ultimately leading to remote code execution (RCE) via manipulation of internal PHP structures and function pointers.

Description

PHP 7.1 < 7.3 - 'json serializer' disable_functions Bypass

Exploits (1)

exploitdb WORKING POC
by mm0r1 · phpwebappsmultiple
https://www.exploit-db.com/exploits/47446

This PHP exploit leverages a use-after-free (UAF) vulnerability in PHP's SplFixedArray and DateInterval handling to achieve arbitrary memory read/write, ultimately leading to remote code execution (RCE) via manipulation of internal PHP structures and function pointers.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Complex
Reliability
Reliable
Target: PHP (version not explicitly specified, but likely affects PHP 7.x or 8.x)
No auth needed
Prerequisites: PHP environment with vulnerable version · Ability to execute arbitrary PHP code
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026