CVE-2025-23197

MEDIUM

matrix-hookshot 5.4.1 and 6.0.1 - Denial of Service via GitHub Organization Handling

Title source: llm
STIX 2.1

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.

References (2)

Core 2

Scores

CVSS v3 6.5
EPSS 0.0042
EPSS Percentile 33.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-754
Status published
Products (2)
matrix-org/matrix-hookshot < 5.4.2
matrix-org/matrix-hookshot >= 6.0.0, < 6.0.2
Published Jan 27, 2025
Tracked Since Feb 18, 2026