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Mattermost versions 9.5.x <= 9.5.8 fail to properly authorize access to archived channels when viewing archived channels is disabled, which allows an attacker to view posts and files of archived channels via file links.
Reserved 2024-09-23 | Published 2024-09-26 | Updated 2024-09-26 | Assigner MattermostCWE-284: Improper Access Control
BhaRat (hackit_bharat)
mattermost.com/security-updates
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