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Medium · 5.9 CVE-2026-128020 EUVD-2026-125082GHSA-3wfj-qwvc-xxr4

FrankenPHP before 1.13.2 Denial of Service via Cyclic Array Conversion

Published Nov 13, 2026 · Updated Nov 13, 2026 · Assigned by VulnCheck

Description

FrankenPHP before 1.13.2 contains an uncontrolled recursion vulnerability in its PHP-to-Go array converter that fails to detect circular references in PHP arrays. Passing a self-referential array to frankenphp_log() or returning one from a worker callback triggers a fatal Go stack overflow, terminating the entire server process.

Affected products

VendorProductAffectedFixed
php frankenphp < 1.13.2 1.13.2

References