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CVE-2026-45349

🗓️ 15 May 2026 19:20:37Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 11 Views🌐 WEB

CVE-2026-45349: Broken access control allowed a user to continue another's chat before 0.9.0.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-45349
15 May 202619:20
attackerkb
Circl
CVE-2026-45349
14 May 202620:24
circl
CNNVD
Open WebUI 安全漏洞
15 May 202600:00
cnnvd
Cvelist
CVE-2026-45349 Open WebUI: Broken Access Control for Completions API
15 May 202619:20
cvelist
EUVD
EUVD-2026-30605
15 May 202619:20
euvd
Github Security Blog
Open WebUI has Broken Access Control for Completions API
14 May 202620:24
github
NVD
CVE-2026-45349
15 May 202620:16
nvd
OSV
GHSA-GFM2-XM6C-37QC Open WebUI has Broken Access Control for Completions API
14 May 202620:24
osv
Positive Technologies
PT-2026-41179
14 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-45349
19 May 202613:56
redhatcve
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NVD
Vulners
Node
[
  {
    "vendor": "open-webui",
    "product": "open-webui",
    "versions": [
      {
        "version": "< 0.9.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
api_keyrequest body/api/chat/completionsUnauthorized continuation of another user's chat via the /api/chat/completions endpoint prior to version 0.9.0CWE-639
chat_idrequest body/api/chat/completionsUnauthorized continuation of another user's chat via the /api/chat/completions endpoint prior to version 0.9.0CWE-639

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19 May 2026 14:16Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.1
EPSS0.00039
SSVC
11