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CVE-2023-2787

nvd nist
Published: Jun 16, 2023Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

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

Affected (4)

Mattermost
1 product
Mattermost
Configuration A
4 vulnerable
Vulnerable SoftwareAffected Versions
Mattermost
Mattermost
From 7.1.0 to 7.1.9
Mattermost
From 7.8.0 to 7.8.4
Mattermost
From 7.9.0 to 7.9.3
Mattermost
Version 7.10.0

Related CWEs

CWE-862
Missing Authorization
The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

References (2)

Source: responsibledisclosure@mattermost.com
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.