CVE-2022-4019

6.5 mediumEPSS 0.8%

Medium (6.5) in mattermost mattermost. EPSS 0.8% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)
CWE: CWE-770
Published: 2022-11-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mattermost:mattermost

References

https://hackerone.com/reports/1685979
https://mattermost.com/security-updates/
https://hackerone.com/reports/1685979
https://mattermost.com/security-updates/

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