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EUVD-2026-16236

🗓️ 26 Mar 2026 18:31:42Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 3 Views

Mattermost plugins up to version 11.4 and 10.11.11.0 fail webhook timestamp validation and allow replay attacks.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-3109
26 Mar 202616:28
attackerkb
Circl
CVE-2026-3109
27 Mar 202603:00
circl
CNNVD
Mattermost 安全漏洞
26 Mar 202600:00
cnnvd
CVE
CVE-2026-3109
26 Mar 202616:28
cve
Cvelist
CVE-2026-3109 Missing timestamp validation in Zoom webhook handler
26 Mar 202616:28
cvelist
NVD
CVE-2026-3109
26 Mar 202617:16
nvd
Positive Technologies
PT-2026-28420
26 Mar 202600:00
ptsecurity
RedhatCVE
CVE-2026-3109
27 Mar 202617:09
redhatcve
Snyk
Improper Check for Unusual or Exceptional Conditions
26 Mar 202618:35
snyk
Vulnrichment
CVE-2026-3109 Missing timestamp validation in Zoom webhook handler
26 Mar 202616:28
vulnrichment
Rows per page
[
  {
    "enisaIdVendor": [
      {
        "id": "a7ad5aef-ac99-3e07-84db-03a206990d4e",
        "vendor": {
          "name": "Mattermost"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "a7ad5aef-ac99-3e07-84db-03a206990d4e",
        "product": {
          "name": "Mattermost"
        },
        "product_version": ""
      },
      {
        "id": "e6f2db38-afe4-3098-a05f-8cee5b7fbb10",
        "product": {
          "name": "Mattermost"
        },
        "product_version": "0 ≤10.11.11"
      }
    ]
  }
]

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26 Mar 2026 18:31Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.12.2
EPSS0.00304
SSVC
3