GitHub Advisoryadvisory · Go

GHSA-j639-m367-75cf Mattermost Incorrect Authorization vulnerability

LOW Published 2025-04-16 Modified 2025-04-23 Official page ↗
Aliases
CVE-2025-24839
Ecosystem
Go
Packages
github.com/mattermost/mattermost/server/v8
Severity
Low
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-863
Reviewed
2025-04-16

Affected packages

• Go github.com/mattermost/mattermost/server/v8: >= 10.5.0, < 10.5.2 → fixed in 10.5.2 • Go github.com/mattermost/mattermost/server/v8: >= 10.4.0, < 10.4.4 → fixed in 10.4.4 • Go github.com/mattermost/mattermost/server/v8: >= 9.11.0, < 9.11.10 → fixed in 9.11.10 • Go github.com/mattermost/mattermost/server/v8: < 8.0.0-20250314142426-c049748b8863 → fixed in 8.0.0-20250314142426-c049748b8863

Description

Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to prevent Wrangler posts from triggering AI responses. This vulnerability allows users without access to the AI bot to activate it by attaching the activate_ai override property to a post via the Wrangler plugin, provided both the AI and Wrangler plugins are enabled.

Related

Alias · CVE (1)

  • CVE-2025-24839 Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to prevent Wrangler posts from triggering AI responses. vulnerability

Weakness · CWE (1)

  • CWE-863 Incorrect Authorization weakness

References