CVE-2025-23197 Information

Description

matrix-hookshot is a Matrix bot for connecting to external services like GitHub GitLab JIRA and more. When Hookshot 6 version 6.0.1 or below or Hookshot 5 version 5.4.1 or below is configured with GitHub support it is vulnerable to a Denial of Service (DoS) whereby it can crash on restart due to a missing check. The impact is greater to you untrusted users can add their own GitHub organizations to Hookshot in order to connect their room to a repository. This vulnerability is fixed in 6.0.2 and 5.4.2.

Reference

https://github.com/matrix-org/matrix-hookshot/commit/e51d8210233ac759e7f7dfebc2c4f1bf6ce94802 https://github.com/matrix-org/matrix-hookshot/security/advisories/GHSA-cr4q-jf47-3645