GHSA-pv8w-wmj3-q39p

GHSA-pv8w-wmj3-q39p PUBLISHED CVSS 2.200000047683716 LOW

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

Risk Scores

CVSS 3.1

2.200000047683716

CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L

Timeline

Mar 26, 2026 CVE Published
Apr 10, 2026 Security Advisory

References

https://nvd.nist.gov/vuln/detail/CVE-2026-3109 advisory
https://mattermost.com/security-updates url

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