CVE-2026-29113

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The endpoint accepts an attacker-supplied previewToken. Because the action does not require POST and does not enforce a CSRF token, an attacker can force a logged-in victim editor to mint a preview token chosen by the attacker. That token can then be used by the attacker (without authentication) to access previewed/unpublished content tied to the victim\u2019s authorized preview scope. This vulnerability is fixed in 4.17.3 and 5.9.7."}, {"lang": "es", "value": "Craft es un sistema de gesti\u00f3n de contenido (CMS). Antes de 4.17.4 y 5.9.7, Craft CMS tiene un problema de CSRF en el endpoint de token de vista previa en /actions/preview/create-token. El endpoint acepta un previewToken suministrado por el atacante. Debido a que la acci\u00f3n no requiere POST y no impone un token CSRF, un atacante puede forzar a un editor v\u00edctima que ha iniciado sesi\u00f3n a acu\u00f1ar un token de vista previa elegido por el atacante. Ese token puede ser usado entonces por el atacante (sin autenticaci\u00f3n) para acceder a contenido previsualizado/no publicado vinculado al alcance de vista previa autorizado de la v\u00edctima. Esta vulnerabilidad est\u00e1 corregida en 4.17.4 y 5.9.7."}], "id": "CVE-2026-29113", "lastModified": "2026-09-02T14:17:11.940", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.3, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "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": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-29113", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-10T20:05:03.344019Z", "version": "2.0.3"}}]}, "published": "2026-03-10T20:16:38.060", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/craftcms/cms/commit/6a88468dc35a27cccc8fef254f415a447d4a07cc"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://github.com/craftcms/cms/security/advisories/GHSA-vg3j-hpm9-8v5v"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.0.0-RC1,4.17.3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.0.0-RC1,5.9.6)"}}], "enrichment": {"confidence": 83.0, "confidence_source": "matching", "scores": [{"score": 83.0, "source": "matching"}]}, "original": {"product": "cms", "source": "cna", "vendor": "craftcms"}, "product": "craftcms", "vendor": "craftcms"}], "created": "2026-03-11T11:43:18.154906+00:00", "updated": "2026-09-02T15:30:17.743326+00:00", "vendors": ["craftcms", "craftcms$PRODUCT$craftcms"]}