CVE-2026-3109 (GCVE-0-2026-3109)

Vulnerability from cvelistv5 – Published: 2026-03-26 16:28 – Updated: 2026-03-26 19:52
VLAI?
Title
Missing timestamp validation in Zoom webhook handler
Summary
Mattermost Plugins versions <=11.4 10.11.11.0 fail to validate webhook request timestamps which allows an attacker to corrupt Zoom meeting state in Mattermost via replayed webhook requests. Mattermost Advisory ID: MMSA-2026-00584
Severity ?
2.2 (Low)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-754 - Improper Check for Unusual or Exceptional Conditions
Assigner
References
Impacted products
Vendor Product Version
Mattermost Mattermost Affected: 0 , ≤ 10.11.11 (semver)
Unaffected: 11.5.0
Unaffected: 10.11.12
Create a notification for this product.
Credits
thecybertantrik
Show details on NVD website
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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