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CVE-2026-1046: Improper Authorization in Handler for Custom URL Scheme

🗓️ 16 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Improper Authorization in Mattermost Desktop App <=6.0 6.2.0 5.2.13.0 allows arbitrary execution.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-1046
16 Feb 202612:10
–attackerkb
cnnvd
CNNVD
Mattermost Desktop App 安全漏洞
16 Feb 202600:00
–cnnvd
cve
CVE
CVE-2026-1046
16 Feb 202612:10
–cve
cvelist
Cvelist
CVE-2026-1046 Arbitrary application execution via unvalidated server-controlled URLs in Help menu
16 Feb 202612:10
–cvelist
euvd
EUVD
EUVD-2026-6090
16 Feb 202615:32
–euvd
nvd
NVD
CVE-2026-1046
16 Feb 202613:16
–nvd
ptsecurity
Positive Technologies
PT-2026-8342
16 Feb 202600:00
–ptsecurity
redhatcve
RedhatCVE
CVE-2026-1046
17 Feb 202613:27
–redhatcve
vulnrichment
Vulnrichment
CVE-2026-1046 Arbitrary application execution via unvalidated server-controlled URLs in Help menu
16 Feb 202612:10
–vulnrichment

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23 Mar 2026 00:00Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.16.5 - 7.6
EPSS0.00244
SSVC
0