GO-2025-4178

vendorUSosv

Mattermost fails to validate user permissions in Boards in github.com/mattermost/mattermost

view advisory published 2025-12-08Licence: per source

Mattermost fails to validate user permissions in Boards in github.com/mattermost/mattermost

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2025-13870USmedium4.3OT elevated—
Mattermost versions 10.11.x <= 10.11.4, 10.5.x <= 10.5.12 fail to validate the user permission when accessing the files and subscribing to the block in Boards, which allows an auth…
02

references

External citations — patches, advisories, analysis.

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