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MEDIUM

Playbook run link to private channel grants channel access

Published May 26, 2024

Description

Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to enforce proper access controls for channel and team membership when linking a playbook run to a channel which allows members to link their runs to private channels they were not members of.

Affected products

Remediation

Vendor solution

Update Mattermost to versions 9.7.0, 9.5.4, 9.6.2, 8.1.13 or higher.

References (2)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Mattermost
Published May 26, 2024
Updated Aug 2, 2024
Reserved May 23, 2024
CISA Vulnrichment
Updated Jun 7, 2024
NVD
Status Analyzed
Modified Jun 17, 2026
Red Hat
Severity n/a
Public date n/a
ENISA EUVD
Assigner Mattermost
Published May 26, 2024
Updated Aug 2, 2024
Exploited since n/a
EUVD-2024-34458