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Open WebUI security vulnerabilities

🗓️ 15 May 2026 00:00:00Reported by China National Vulnerability Database of Information SecurityType 
cnnvd
 cnnvd
🔗 www.cnnvd.org.cn👁 30 Views

Open WebUI before 0.9.0 had a chat vulnerability enabling cross-user chats via another user's chat ID.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-45349
15 May 202619:20
–attackerkb
bdu_fstec
BDU FSTEC
Open WebUI Authentication Bypass
22 May 202600:00
–bdu_fstec
circl
Circl
CVE-2026-45349
14 May 202620:24
–circl
cve
CVE
CVE-2026-45349
15 May 202619:20
–cve
cvelist
Cvelist
CVE-2026-45349 Open WebUI: Broken Access Control for Completions API
15 May 202619:20
–cvelist
euvd
EUVD
EUVD-2026-30605
15 May 202619:20
–euvd
github
Github Security Blog
Open WebUI has Broken Access Control for Completions API
14 May 202620:24
–github
mend
Mend
CVE-2026-45349
15 May 202619:20
–mend
nvd
NVD
CVE-2026-45349
15 May 202620:16
–nvd
osv_cve
osv_cve
CVE-2026-45349 Open WebUI: Broken Access Control for Completions API
15 May 202619:20
–osv_cve
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02 Jun 2026 00:00Current
7High risk
Vulners AI Score7
CVSS 3.17.1
EPSS0.00231
SSVC
30