CVE-2026-3109
2.2
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:L
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
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Mattermost | Mattermost | 0 <= 10.11.11 | affected |
| Mattermost | Mattermost | 11.5.0 | unaffected |
| Mattermost | Mattermost | 10.11.12 | unaffected |
Weaknesses
- CWE-754: CWE-754: Improper Check for Unusual or Exceptional Conditions
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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