CVE-2023-2787

Collapsed Reply Threads APIs leak message contents from private channels

State: Published
Severity: 6.5 Medium
Published: Jun 16, 2023
Updated: Dec 6, 2024
Reserved: May 18, 2023

Description

Mattermost fails to check channel membership when accessing message threads, allowing an attacker to access arbitrary posts by using the message threads API.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	Mattermost

Weaknesses

CWE-862 Missing Authorization

Affected Products

Product	Versions
MattermostMattermost	7.9.3 and earlierAffected 7.8.4 and earlierAffected 7.1.9 and earlierAffected 7.10.0Affected 7.9.3Not affected 7.8.4Not affected 7.1.9Not affected 7.10.1Not affected

References

https://mattermost.com/security-updates/

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