CVE-2023-2787 MEDIUM

CVE-2023-2787: Collapsed Reply Threads APIs leak message contents from private channels

Vendor Mattermost
Product Mattermost
Weakness CWE-862 · Missing authorization
Published June 16, 2023
Last update December 6, 2024
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

June 16, 2023 CVE published
December 6, 2024 Record updated

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