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Open WebUI: DNS Rebinding SSRF Bypass

🗓️ 04 Aug 2026 20:38:34Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 2 Views

Summary Open WebUI vetted user-supplied URLs by resolving the hostname once and rejecting private, loopback and link-local addresses, then let the HTTP client resolve that hostname again at connect time. An attacker who controls the authoritative ...

Related
Detection
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-54020
4 Aug 202620:38
attackerkb
cve
CVE
CVE-2026-54020
4 Aug 202620:38
cve
cvelist
Cvelist
CVE-2026-54020 Open WebUI: DNS Rebinding SSRF Bypass
4 Aug 202620:38
cvelist
euvd
EUVD
EUVD-2026-52900
4 Aug 202620:38
euvd
nvd
NVD
CVE-2026-54020
4 Aug 202621:16
nvd
osv
OSV
GHSA-H6X2-583H-X99R Open WebUI: DNS Rebinding SSRF Bypass
4 Aug 202620:38
osv
Vulners
Node
open-webuiRange0.10.2pip

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04 Aug 2026 21:07Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.16.3
2