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CVE-2026-1046

🗓️ 17 Feb 2026 13:27:29Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 4 Views

Mattermost Desktop App fails to validate help links, allowing arbitrary code execution via Help menu clicks.

Related
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
Cvelist
CVE-2026-1046 Arbitrary application execution via unvalidated server-controlled URLs in Help menu
16 Feb 202612:10
cvelist
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
Vulnrichment
CVE-2026-1046 Arbitrary application execution via unvalidated server-controlled URLs in Help menu
16 Feb 202612:10
vulnrichment

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17 Feb 2026 13:27Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5 - 7.6
EPSS0.00045
SSVC
4