ZeptoClaw is a personal AI assistant. Prior to 0.7.6, the generic webhook channel trusts caller-supplied identity fields (sender, chat_id) from the request body and applies authorization checks to those untrusted values. Because authentication is optional and defaults to disabled (auth_token: None), an attacker who can reach POST /webhook can spoof an allowlisted sender and choose arbitrary chat_id values, enabling high-risk message spoofing and potential IDOR-style session/chat routing abuse. This vulnerability is fixed in 0.7.6.
https://github.com/qhkm/zeptoclaw/security/advisories/GHSA-46q5-g3j9-wx5c
https://github.com/qhkm/zeptoclaw/releases/tag/v0.7.6
https://github.com/qhkm/zeptoclaw/pull/324
https://github.com/qhkm/zeptoclaw/commit/bf004a20d3687a0c1a9e052ec79536e30d6de134