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CVE-2026-44429

🗓️ 14 May 2026 21:05:56Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 15 Views🌐 WEB

Stored XSS in MCP Registry UI via publisher websiteUrl; fixed in version 1.7.7.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
[
  {
    "vendor": "modelcontextprotocol",
    "product": "registry",
    "versions": [
      {
        "version": "< 1.7.7",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
server.websiteUrlnested/Stored XSS in registry UI via websiteUrl in published server.json leading to injected on* event handlers in the homepage href.CWE-116CWE-79
coderequest body/v0/auth/github-atEndpoint that can publish a token enabling publishing of poisoned records visible to all visitors.CWE-116CWE-79
staterequest body/v0/auth/github-atEndpoint that can publish a token enabling publishing of poisoned records visible to all visitors.CWE-116CWE-79
tokenrequest body/v0/auth/github-atEndpoint that can publish a token enabling publishing of poisoned records visible to all visitors.CWE-116CWE-79
tokenrequest body/v0/auth/noneEndpoint that allows anonymous publishing if enabled, enabling poisoning of registry records.CWE-116CWE-79

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15 May 2026 17:52Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.4
CVSS 45.1
EPSS0.00035
SSVC
15