CVE-2025-41423 - CVE House

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Status published Low CVE-2025-41423

Unauthorized Playbooks Post Deletion in Mattermost Playbooks Plugin

3.1 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Tobias Weisshaar (kun_19)

References

https://mattermost.com/security-updates

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Affected Vendor

Mattermost

View all reports →

Affected Software

Mattermost

Vulnerable Versions:

10.4.0, 10.5.0, 9.11.0, 10.6.0, 10.4.3, 10.5.1, 9.11.11

Timeline

Official Publish: April 24th, 2025

Last Modified: April 24th, 2025

Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application

T1078 Valid Accounts

T1548 Abuse Elevation Control Mechanism

Privilege Escalation

T1021 Remote Services

Lateral Movement

T1098 Account Manipulation

Defense Evasion