CVE-2025-24839

Summary

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.

Affected Software

VendorProductVersion RangeStatus
MattermostMattermost10.5.0 <= 10.5.1affected
MattermostMattermost10.4.0 <= 10.4.3affected
MattermostMattermost9.11.0 <= 9.11.9affected
MattermostMattermost10.6.0unaffected
MattermostMattermost10.5.2unaffected
MattermostMattermost10.4.4unaffected
MattermostMattermost9.11.10unaffected

Weaknesses

  • CWE-863: CWE-863: Incorrect Authorization

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References