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Description

Mattermost versions 10.5.x <= 10.5.2, 9.11.x <= 9.11.11 failed to properly verify a user's permissions when accessing groups, which allows an attacker to view group information via an API request.

PUBLISHED Reserved 2025-03-19 | Published 2025-05-15 | Updated 2025-05-15 | Assigner Mattermost




MEDIUM: 4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Problem types

CWE-863: Incorrect Authorization

Product status

Default status
unaffected

10.5.0 (semver)
affected

9.11.0 (semver)
affected

10.7.0
unaffected

10.5.3
unaffected

9.11.12
unaffected

Credits

Ben Cooke finder

References

mattermost.com/security-updates

cve.org (CVE-2025-2527)

nvd.nist.gov (CVE-2025-2527)

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Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.