Home

Description

Mattermost versions <11.0 fail to properly enforce the "Allow users to view archived channels" setting which allows regular users to access archived channel content and files via the "Open in Channel" functionality from followed threads

PUBLISHED Reserved 2025-10-15 | Published 2025-11-14 | Updated 2025-11-14 | Assigner Mattermost




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

Problem types

CWE-863: Incorrect Authorization

Product status

Default status
unaffected

<11.0 (semver)
affected

11.0.0
unaffected

Credits

BhaRat (hackit_bharat) finder

References

mattermost.com/security-updates

cve.org (CVE-2025-41436)

nvd.nist.gov (CVE-2025-41436)

Download JSON