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Open WebUI: Cross-origin postMessage confirmation bypass via action:submit

🗓️ 17 Jun 2026 14:10:35Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 3 Views

Cross-origin postMessage enables input and submit to trigger chat actions in the victim session.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2026-54007
11 Jun 202618:56
circl
CVE
CVE-2026-54007
17 Jun 202614:10
cve
OSV
GHSA-3VV5-8XXP-4F55 Open WebUI: Cross-origin postMessage confirmation bypass via action:submit
17 Jun 202614:10
osv
Positive Technologies
PT-2026-50479
17 Jun 202600:00
ptsecurity
Vulners
Node
open-webuiRange0.9.5pip

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