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CVE-2026-45339

🗓️ 15 May 2026 19:21:26Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 10 Views🌐 WEB

CVE-2026-45339: Open WebUI API key restrictions bypassed with x-api-key header before version 0.9.0.

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Detection
Affected
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Node
[
  {
    "vendor": "open-webui",
    "product": "open-webui",
    "versions": [
      {
        "version": "< 0.9.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
x-api-keyheader/api/v1/messagesAuthentication bypass: API keys restricted via Authorization header are bypassed when using the x-api-key header, enabling access to /api/v1/messages.CWE-863

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