CVE-2026-0997

Summary

Mattermost versions 11.1.x <= 11.1.2, 10.11.x <= 10.11.9, 11.2.x <= 11.2.1 and Mattermost Plugin Zoom versions <=1.11.0 fail to validate the authenticated user when processing {{/plugins/zoom/api/v1/channel-preference}}, which allows any logged-in user to change Zoom meeting restrictions for arbitrary channels via crafted API requests.. Mattermost Advisory ID: MMSA-2025-00558

Affected Software

VendorProductVersion RangeStatus
MattermostMattermost11.1.0 <= 11.1.2affected
MattermostMattermost10.11.0 <= 10.11.9affected
MattermostMattermost11.2.0 <= 11.2.1affected
MattermostMattermost11.3.0unaffected
MattermostMattermost11.1.3unaffected
MattermostMattermost10.11.10unaffected
MattermostMattermost11.2.2unaffected

Weaknesses

  • CWE-863: CWE-863: Incorrect Authorization

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References