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CVE PROGRAM SOURCE RECORD3.1 Low

CVE-2024-39807

Channel IDs of archived/restored channels leaked via webhook events

Description

Mattermost versions 9.5.x <= 9.5.5 and 9.8.0 fail to properly sanitize the recipients of a webhook event which allows an attacker monitoring webhook events to retrieve the channel IDs of archived or restored channels.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mattermost Mattermost

Default version status: unaffected

  • 9.8.0affected
  • 9.5.0 to ≤ 9.5.5affected
  • 9.9.0unaffected
  • 9.8.1unaffected
  • 9.5.6unaffected

References