{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-8413", "assignerOrgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de", "state": "PUBLISHED", "assignerShortName": "ConcreteCMS", "dateReserved": "2026-05-12T17:05:12.650Z", "datePublished": "2026-05-21T21:30:28.303Z", "dateUpdated": "2026-05-22T13:06:13.635Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de", "shortName": "ConcreteCMS", "dateUpdated": "2026-05-21T21:30:28.303Z" }, "title": "Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/dialog/page/bulk/design", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-352", "description": "CWE-352 Cross-Site request forgery (CSRF)", "type": "CWE" } ] }, { "descriptions": [ { "lang": "en", "cweId": "CWE-1275", "description": "CWE-1275 Sensitive cookie with improper SameSite attribute", "type": "CWE" } ] } ], "impacts": [ { "capecId": "CAPEC-1", "descriptions": [ { "lang": "en", "value": "CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs" } ] } ], "affected": [ { "vendor": "Concrete CMS", "product": "Concrete CMS", "collectionURL": "https://github.com/concretecms/concretecms", "repo": "https://github.com/concretecms/concretecms", "versions": [ { "status": "affected", "version": "9.0", "lessThanOrEqual": "9.5.0", "versionType": "git" } ], "defaultStatus": "unaffected" } ], "descriptions": [ { "lang": "en", "value": "Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/dialog/page/bulk/design. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for reporting.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "Concrete CMS 9 before 9.5.0 is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/dialog/page/bulk/design. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for reporting. " } ] } ], "references": [ { "url": "https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes", "tags": [ "release-notes" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV4_0": { "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "LOW", "baseScore": 2.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N" } } ], "credits": [ { "lang": "en", "value": "Yonatan Drori (Tenzai)", "type": "finder" } ], "source": { "defect": [ "HackerOne" ], "advisory": "https://hackerone.com/reports/3715248", "discovery": "EXTERNAL" }, "x_generator": { "engine": "Vulnogram 1.0.2" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-05-22T13:06:05.238660Z", "id": "CVE-2026-8413", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-22T13:06:13.635Z" } } ] } }