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CVE-2026-1046 Arbitrary application execution via unvalidated server-controlled URLs in Help menu

🗓️ 16 Feb 2026 12:10:38Reported by MattermostType 
cvelist
 cvelist
🔗 www.cve.org👁 23 Views

Arbitrary code execution in Mattermost Desktop App due to unvalidated server-controlled URLs in Help menu.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-1046
16 Feb 202612:10
attackerkb
CNNVD
Mattermost Desktop App 安全漏洞
16 Feb 202600:00
cnnvd
CVE
CVE-2026-1046
16 Feb 202612:10
cve
EUVD
EUVD-2026-6090
16 Feb 202615:32
euvd
NVD
CVE-2026-1046
16 Feb 202613:16
nvd
Positive Technologies
PT-2026-8342
16 Feb 202600:00
ptsecurity
RedhatCVE
CVE-2026-1046
17 Feb 202613:27
redhatcve
Vulnrichment
CVE-2026-1046 Arbitrary application execution via unvalidated server-controlled URLs in Help menu
16 Feb 202612:10
vulnrichment
[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "6.2.0",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "5.2.13",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "version": "6.1.0",
        "status": "unaffected"
      },
      {
        "version": "6.0.3.0",
        "status": "unaffected"
      },
      {
        "version": "5.13.3.0",
        "status": "unaffected"
      }
    ]
  }
]

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