CVE-2023-3582

Lack of channel membership check when linking a board to a channel

State: Published
Severity: 4.3 Medium
Published: Jul 17, 2023
Updated: Oct 21, 2024
Reserved: Jul 10, 2023

Description

Mattermost fails to verify channel membership when linking a board to a channel allowing a low-privileged authenticated user to link a Board to a private channel they don't have access to,

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N	Mattermost

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
MattermostMattermost	7.8.6 and earlierAffected 7.9.4 and earlierAffected 7.10.2 and earlierAffected 7.10.3Not affected 7.9.5Not affected 7.8.7Not affected

References

https://mattermost.com/security-updates

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