CVE-2025-41423

LOW

Mattermost 9.11.0-9.11.10 10.4.0-10.4.2 10.5.0 - Unauthenticated Post Deletion via Playbooks Signal Keywords Endpoint

Title source: llm

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.

References (1)

Core 1

Core References

Vendor Advisory

https://mattermost.com/security-updates

Scores

CVSS v3 3.1

EPSS 0.0004

EPSS Percentile 12.8%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-863

Status published

Products (4)

mattermost/mattermost 0 - 8.0.0-20250218121836-2b5275d87136Go

mattermost/mattermost-plugin-playbooks 2.0.0Go

mattermost/mattermost_server 10.5.0

mattermost/mattermost_server 9.11.0 - 9.11.11

Published Apr 24, 2025

Tracked Since Feb 18, 2026