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CVE-2026-3109
Published: Mar 26, 2026
Modified: Mar 26, 2026
PUBLISHED
CVSS v3.1
2.2
LOW
Description
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
| Vendor | Product | Versions |
|---|---|---|
Mattermost | Mattermost | affected 0 - <= 10.11.11unaffected 11.5.0unaffected 10.11.12 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
Attack Vector
Network
Attack Complexity
High
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
References
MMSA-2026-00584
vendor-advisory
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