{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-04T01:24:06.515","vulnerabilities":[{"cve":{"id":"CVE-2026-3452","sourceIdentifier":"ff5b8ace-8b95-4078-9743-eac1ca5451de","published":"2026-03-04T02:15:54.840","lastModified":"2026-03-04T21:36:39.803","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"Concrete CMS below version 9.4.8 is vulnerable to Remote Code Execution by stored PHP object injection into the Express Entry List block via the columns parameter. An authenticated administrator can store attacker-controlled serialized data in block configuration fields that are later passed to unserialize() without class restrictions or integrity checks. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 8.9 with vector CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H. Thanks YJK ( @YJK0805 https://hackerone.com/yjk0805 ) of  ZUSO ART https://zuso.ai/  for reporting."},{"lang":"es","value":"Concrete CMS en versiones anteriores a la 9.4.8 es vulnerable a ejecución remota de código mediante inyección de objetos PHP almacenados en el bloque Express Entry List a través del parámetro columns. Un administrador autenticado puede almacenar datos serializados controlados por el atacante en campos de configuración de bloques que posteriormente se pasan a unserialize() sin restricciones de clase ni comprobaciones de integridad. El equipo de seguridad de Concrete CMS asignó a esta vulnerabilidad una puntuación CVSS v.4.0 de 8.9 con el vector CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H. Gracias a YJK ( @YJK0805 https://hackerone.com/yjk0805 ) de ZUSO ART https://zuso.ai/ por informar."}],"metrics":{"cvssMetricV40":[{"source":"ff5b8ace-8b95-4078-9743-eac1ca5451de","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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":8.9,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","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":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":7.2,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":1.2,"impactScore":5.9}]},"weaknesses":[{"source":"ff5b8ace-8b95-4078-9743-eac1ca5451de","type":"Secondary","description":[{"lang":"en","value":"CWE-502"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*","versionEndExcluding":"9.4.8","matchCriteriaId":"BCBFD93E-6A10-4E9F-A31E-4A2C1FCD367C"}]}]}],"references":[{"url":"https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes","source":"ff5b8ace-8b95-4078-9743-eac1ca5451de","tags":["Release Notes","Patch","Vendor Advisory"]},{"url":"https://github.com/concretecms/concretecms/pull/12826/changes/167f16e4805d8ab546d2997c753ac21bf4854920://","source":"ff5b8ace-8b95-4078-9743-eac1ca5451de","tags":["Broken Link"]}]}}]}