Laravel Tech Community

Sep 20, 2023 · Information Security

Analysis of a ThinkPHP 6.0 Deserialization Exploit Chain via LeagueFlysystem Cached Storage

This article analyzes a ThinkPHP 6.0 deserialization exploit chain that leverages LeagueFlysystem's cached storage classes, detailing the sequence from __destruct to write, showing how controllable parameters enable arbitrary file writes and providing a proof‑of‑concept demonstration.