EIP-2026-104669

PRE-CVE

PHP 7.0 - JsonSerializable::jsonSerialize json_encode Local Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104669. PoCs published by Yakir Wizman.

AI-analyzed exploit summary This PHP script demonstrates a local denial-of-service vulnerability in PHP 7.0 by exploiting recursive serialization in the JsonSerializable interface. The jsonSerialize method recursively creates instances of itself, causing json_encode to crash due to infinite recursion.

Description

PHP 7.0 - JsonSerializable::jsonSerialize json_encode Local Denial of Service

Exploits (1)

exploitdb WORKING POC
by Yakir Wizman · phpdosphp
https://www.exploit-db.com/exploits/40329

This PHP script demonstrates a local denial-of-service vulnerability in PHP 7.0 by exploiting recursive serialization in the JsonSerializable interface. The jsonSerialize method recursively creates instances of itself, causing json_encode to crash due to infinite recursion.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: PHP 7.0
No auth needed
Prerequisites: PHP 7.0 environment
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026