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GHSA-vg67-chm7-8m3j: Mattermost allows remote actor to create/update/delete posts in arbitrary channels

Mattermost versions 9.9.x <= 9.9.0, 9.5.x <= 9.5.6, 9.7.x <= 9.7.5, 9.8.x <= 9.8.1 fail to properly validate synced posts, when shared channels are enabled, which allows a malicious remote to create/update/delete arbitrary posts in arbitrary channels

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  1. GitHub Advisory Database
  2. GitHub Reviewed
  3. CVE-2024-41144

Mattermost allows remote actor to create/update/delete posts in arbitrary channels

Moderate severity GitHub Reviewed Published Aug 1, 2024 to the GitHub Advisory Database • Updated Aug 2, 2024

Package

gomod github.com/mattermost/mattermost/server/v8 (Go)

Affected versions

>= 9.5.0, < 9.5.7

>= 9.7.0, < 9.7.6

>= 9.8.0, < 9.8.2

= 9.9.0

Patched versions

9.5.7

9.7.6

9.8.2

9.9.1

Description

Published to the GitHub Advisory Database

Aug 1, 2024

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