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CVE-2026-54007

🗓️ 23 Jun 2026 16:51:27Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 21 Views🌐 WEB

PostMessage bypass in Open WebUI before 0.9.6 enables attackers to force submits and trigger chats.

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Detection
Affected
Refs
Paths
NVD
Vulners
Node
[
  {
    "vendor": "open-webui",
    "product": "open-webui",
    "versions": [
      {
        "version": "< 0.9.6",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
promptrequest bodyapi/v1/chats/newCross-origin input can cause unauthorized POST requests to create chats with attacker-controlled prompts.CWE-346
promptrequest bodyapi/chat/completionsCross-origin input can trigger chat completions with attacker-controlled prompts under victim session.CWE-346

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26 Jun 2026 20:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.16.5
CVSS 47.1
EPSS0.00162
SSVC
21