GHSA-q8fg-cp3q-5jwm

ghsaUSosv

Mattermost Incorrect Authorization vulnerability

view advisory published 2025-01-09Licence: CC-BY-4.0

Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the "allow_open_invite" field via making their team public.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2025-22449US	—OT elevated	0.27% (19th)	—	2025-01-09
Mattermost versions 9.11.x <= 9.11.5 fail to enforce invite permissions, which allows team admins, with no permission to invite users to their team, to invite users by updating the…

references

External citations — patches, advisories, analysis.

https://github.com/mattermost/mattermostPACKAGE
https://mattermost.com/security-updatesWEB
https://nvd.nist.gov/vuln/detail/CVE-2025-22449ADVISORY

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