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CVE-2025-54136

🗓️ 01 Aug 2025 23:08:21Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov📰️ 11 Media mentions👁 66 Views🌐 WEB

CVE-2025-54136 allows attackers to execute arbitrary code by modifying MCP server definitions without warning.

Related
Detection
Affected
Refs
Paths
Social
NVD
Vulners
Node
[
  {
    "vendor": "cursor",
    "product": "cursor",
    "versions": [
      {
        "version": "< 1.3",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
configpath/payloadHTTP endpoint used to deliver the payload that will be executed via the MCP deeplink exploitCWE-78
mcpServerspath/payloadHTTP endpoint used to deliver the payload that will be executed via the MCP deeplink exploitCWE-78
MCP_NAMEpath/payloadHTTP endpoint used to deliver the payload that will be executed via the MCP deeplink exploitCWE-78
DOWNLOAD_METHODpath/payloadHTTP endpoint used to deliver the payload that will be executed via the MCP deeplink exploitCWE-78
PAYLOAD_URLpath/payloadHTTP endpoint used to deliver the payload that will be executed via the MCP deeplink exploitCWE-78
PAYLOAD_DOMAINpath/payloadHTTP endpoint used to deliver the payload that will be executed via the MCP deeplink exploitCWE-78
deeplinkpath/update.htmlPhishing resource page that delivers the malicious cursor:// deeplink to trigger the MCP-based code executionCWE-78
MCP_NAMEpath/update.htmlPhishing resource page that delivers the malicious cursor:// deeplink to trigger the MCP-based code executionCWE-78

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17 Jun 2026 09:39Current
8.4High risk
Vulners AI Score8.4
CVSS 3.17.2 - 8.8
EPSS0.07598
SSVC
66