GHSA-cw7q-5cgc-h3h9

ghsaUSosv

Mattermost fail to prompt for explicit approval before adding a team admin to a private channel

view advisory published 2025-03-21Licence: CC-BY-4.0

Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted permalink links without explicit consent from them.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2025-27715US	low2.7OT elevated	0.22% (12th)	—	2025-03-21
Mattermost versions 9.11.x <= 9.11.8 fail to prompt for explicit approval before adding a team admin to a private channel, which team admins to joining private channels via crafted…

references

External citations — patches, advisories, analysis.

https://github.com/mattermost/mattermostPACKAGE
https://mattermost.com/security-updatesWEB
https://nvd.nist.gov/vuln/detail/CVE-2025-27715ADVISORY

scry

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