CVE-2025-41423

Unauthorized Playbooks Post Deletion in Mattermost Playbooks Plugin

Description

Mattermost versions 10.4.x <= 10.4.2, 10.5.x <= 10.5.0, 9.11.x <= 9.11.10 fail to properly validate permissions for the API endpoint /plugins/playbooks/api/v0/signal/keywords/ignore-thread, allowing any user or attacker to delete posts containing actions created by the Playbooks bot, even without channel access or appropriate permissions.

Remediation

Solution:

  • Update Mattermost to versions 10.6.0, 10.4.3, 10.5.1, 9.11.11 or higher. Alternatively, update the Mattermost Playbooks plugin to version 2.1.1 or higher.

Category

3.1
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.02%
Affected: Mattermost Mattermost
Published at:
Updated at:

References

Link Tags
https://mattermost.com/security-updates

Frequently Asked Questions

What is the severity of CVE-2025-41423?
CVE-2025-41423 has been scored as a low severity vulnerability.
How to fix CVE-2025-41423?
To fix CVE-2025-41423: Update Mattermost to versions 10.6.0, 10.4.3, 10.5.1, 9.11.11 or higher. Alternatively, update the Mattermost Playbooks plugin to version 2.1.1 or higher.
Is CVE-2025-41423 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-41423 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-2025-41423?
CVE-2025-41423 affects Mattermost Mattermost.
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