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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.

PUBLISHED Reserved 2025-04-08 | Published 2025-04-16 | Updated 2025-04-16 | Assigner Mattermost




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

Problem types

CWE-863: Incorrect Authorization

Product status

Default status
unaffected

10.5.0
affected

10.4.0
affected

9.11.0
affected

10.6.0
unaffected

10.5.2
unaffected

10.4.4
unaffected

9.11.10
unaffected

Credits

Juho Forsén finder

References

mattermost.com/security-updates

cve.org (CVE-2025-24839)

nvd.nist.gov (CVE-2025-24839)

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