{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-33160", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-17T21:17:08.887Z", "datePublished": "2026-03-24T17:30:20.068Z", "dateUpdated": "2026-03-26T19:52:13.700Z"}, "containers": {"cna": {"title": "Craft CMS: Anonymous \"generate transform\" calls for assets can expose private assets via transform URL", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 2.7, "baseSeverity": "LOW", "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", "version": "4.0"}}], "references": [{"name": "https://github.com/craftcms/cms/security/advisories/GHSA-5pgf-h923-m958", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/craftcms/cms/security/advisories/GHSA-5pgf-h923-m958"}, {"name": "https://github.com/craftcms/cms/commit/7290d91639e", "tags": ["x_refsource_MISC"], "url": "https://github.com/craftcms/cms/commit/7290d91639e"}, {"name": "https://github.com/craftcms/cms/releases/tag/4.17.8", "tags": ["x_refsource_MISC"], "url": "https://github.com/craftcms/cms/releases/tag/4.17.8"}, {"name": "https://github.com/craftcms/cms/releases/tag/5.9.14", "tags": ["x_refsource_MISC"], "url": "https://github.com/craftcms/cms/releases/tag/5.9.14"}], "affected": [{"vendor": "craftcms", "product": "cms", "versions": [{"version": ">= 4.0.0-RC1, < 4.17.8", "status": "affected"}, {"version": ">= 5.0.0-RC1, < 5.9.14", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-24T17:30:20.068Z"}, "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."}], "source": {"advisory": "GHSA-5pgf-h923-m958", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-33160", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-26T19:31:42.582360Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-26T19:52:13.700Z"}}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*", "matchCriteriaId": "6D076F04-8397-4ED0-8428-6D04B786A0A1", "versionEndExcluding": "4.17.8", "versionStartExcluding": "4.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:craftcms:craft_cms:*:*:*:*:*:*:*:*", "matchCriteriaId": "7ADCA708-F32E-4943-B523-CF5029C48A50", "versionEndExcluding": "5.9.14", "versionStartExcluding": "5.0.0", "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", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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."}], "id": "CVE-2026-33160", "lastModified": "2026-03-26T14:09:00.590", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.7, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "UNREPORTED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-24T18:16:10.087", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/craftcms/cms/commit/7290d91639e"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/craftcms/cms/releases/tag/4.17.8"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/craftcms/cms/releases/tag/5.9.14"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/craftcms/cms/security/advisories/GHSA-5pgf-h923-m958"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}, {"lang": "en", "value": "CWE-862"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0-RC1,4.17.8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0-RC1,5.9.14)"}}], "enrichment": {"confidence": 83.0, "confidence_source": "matching", "scores": [{"score": 83.0, "source": "matching"}]}, "original": {"product": "cms", "source": "cna", "vendor": "craftcms"}, "product": "craftcms", "vendor": "craftcms"}], "analysis": {"en": {"generated_at": "2026-03-24T19:24:47.433897+00:00", "value": {"mitigation_remediation": ["Update Craft CMS to version 4.17.8 or later, or 5.9.14 or later. If an upgrade cannot be performed immediately, block external access to the /assets/generate-transform endpoint via network or CMS settings until a patch is available."], "summary": {"action": "Patch", "impact": "Confidentiality Breach"}, "threat_synthesis": {"affected_systems": "Craft CMS versions 4.0.0\u2011RC1 through 4.17.7 inclusive, and 5.0.0\u2011RC1 through 5.9.13 inclusive, are affected. Sites that store private assets and have these releases are vulnerable.", "description_and_impact": "An unauthenticated user can invoke the assets/generate-transform endpoint on Craft CMS and supply a private assetId. The service returns a valid transformation URL without performing per\u2011asset authorization. The user can then retrieve the transformed image bytes, revealing confidential media.", "risk_and_exploitability": "The CVSS score of 2.7 indicates low overall severity, but the absence of access control means any user with knowledge of a private asset ID can retrieve that asset. EPSS data is not available and the vulnerability is not listed in CISA\u2019s KEV catalog. The endpoint is publicly reachable; attackers only require the assetId as a parameter in an HTTP request. Because the call is anonymous, exploitation can occur without credentials."}}}}, "created": "2026-03-25T11:46:58.488542+00:00", "updated": "2026-03-25T20:49:44.312560+00:00", "vendors": ["craftcms", "craftcms$PRODUCT$craftcms"]}