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CVE-2026-45351 Open WebUI: Exposure of System Prompt to Regular User [Non-Admin]

🗓️ 15 May 2026 21:09:41Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 28 Views

CVE-2026-45351: Open WebUI exposed system prompts to regular users via the models endpoint before 0.8.9; fixed in 0.8.9.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-45351
15 May 202621:09
attackerkb
Circl
CVE-2026-45351
9 May 202623:41
circl
CNNVD
Open WebUI 信息泄露漏洞
15 May 202600:00
cnnvd
CVE
CVE-2026-45351
15 May 202621:09
cve
EUVD
EUVD-2026-30646
15 May 202621:09
euvd
Github Security Blog
Open WebUI Exposes System Prompt to Regular User [Non-Admin]
14 May 202620:25
github
NVD
CVE-2026-45351
15 May 202622:16
nvd
OSV
GHSA-JH9G-8JQW-M2QX Open WebUI Exposes System Prompt to Regular User [Non-Admin]
14 May 202620:25
osv
Positive Technologies
PT-2026-41181
14 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-45351
19 May 202601:58
redhatcve
Rows per page
[
  {
    "vendor": "open-webui",
    "product": "open-webui",
    "versions": [
      {
        "version": "< 0.8.9",
        "status": "affected"
      }
    ]
  }
]

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15 May 2026 21:09Current
CVSS 3.16.5
EPSS0.00281
28