CVE-2025-23197

matrix-hookshot has a Potential Denial of Service when Hookshot is configured with GitHub support

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.07%
Affected: matrix-org matrix-hookshot
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2025-23197?
CVE-2025-23197 has been scored as a medium severity vulnerability.
How to fix CVE-2025-23197?
To fix CVE-2025-23197, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-23197 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-23197 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-23197?
CVE-2025-23197 affects matrix-org matrix-hookshot.
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