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CVE-2026-55529

🗓️ 25 Aug 2026 14:26:30Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 114 Views🌐 WEB

Origin validation bypass in PraisonAI MCP HTTP Stream enables unauthenticated tool execution.

Related
Detection
Affected
Refs
Paths
Vulners
Node
praisonpraisonaiRange<4.6.58
[
  {
    "vendor": "MervinPraison",
    "product": "PraisonAI",
    "versions": [
      {
        "version": "< 4.6.58",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
request_originrequest body/tools/callThe MCP HTTP Stream _validate_origin method incorrectly validates the request_origin by checking if it starts with an allowed string, allowing an attacker to bypass origin restrictions using a domain like localhost.evil.example.CWE-306, CWE-346

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09 Sep 2026 21:07Current
6Medium risk
Vulners AI Score6
CVSS 3.16.9
EPSS0.00175
SSVC
114