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CVE-2026-39885 FrontMCP Affected by SSRF via $ref Dereferencing in Untrusted OpenAPI Specifications

🗓️ 08 Apr 2026 20:34:20Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 19 Views

CVE-2026-39885: FrontMCP allows server side forgery via $ref in untrusted OpenAPI specs; fixed in 2.3.0.

Related
Affected
Refs
[
  {
    "vendor": "agentfront",
    "product": "frontmcp",
    "versions": [
      {
        "version": "< 1.0.4",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "@frontmcp",
    "product": "adapters",
    "versions": [
      {
        "version": "< 1.0.4",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "@frontmcp",
    "product": "sdk",
    "versions": [
      {
        "version": "< 1.0.4",
        "status": "affected"
      }
    ]
  },
  {
    "vendor": "frontmcp",
    "product": "mcp-from-openapi",
    "versions": [
      {
        "version": "<  2.3.0",
        "status": "affected"
      }
    ]
  }
]

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08 Apr 2026 20:34Current
CVSS 3.17.5
EPSS0.00319
19