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CVE-2026-3109

🗓️ 26 Mar 2026 16:28:07Reported by MattermostType 
cve
 cve
🔗 web.nvd.nist.gov👁 8 Views

CVE 2026-3109: Zoom webhook timestamp validation missing in Mattermost plugins up to version 11.4 enables replay.

Related
Detection
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
Cvelist
CVE-2026-3109 Missing timestamp validation in Zoom webhook handler
26 Mar 202616:28
cvelist
EUVD
EUVD-2026-16236
26 Mar 202618:31
euvd
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
NVD
Node
mattermostmattermost_serverRange10.11.010.11.12
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "10.11.11",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "version": "11.5.0",
        "status": "unaffected"
      },
      {
        "version": "10.11.12",
        "status": "unaffected"
      }
    ]
  }
]

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17 Jun 2026 10:43Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.12.2
EPSS0.00304
SSVC
8