CVE-2022-4019

Authenticated user could send multiple requests containing a large payload to a Playbooks API and can crash a Mattermost server

Description

A denial-of-service vulnerability in the Mattermost Playbooks plugin allows an authenticated user to crash the server via multiple large requests to one of the Playbooks API endpoints.

Remediation

Solution:

  • Update Mattermost to version v7.1.4, 7.2.1, 7.3.1, 7.4.0 or higher.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.18%
Vendor Advisory mattermost.com
Affected: Mattermost Playbooks Plugin
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates/ vendor advisory
https://hackerone.com/reports/1685979 third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-4019?
CVE-2022-4019 has been scored as a medium severity vulnerability.
How to fix CVE-2022-4019?
To fix CVE-2022-4019: Update Mattermost to version v7.1.4, 7.2.1, 7.3.1, 7.4.0 or higher.
Is CVE-2022-4019 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-4019 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-2022-4019?
CVE-2022-4019 affects Mattermost Playbooks Plugin.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.