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CVE-2026-8428 CSRF token is not validated in the core CMS update controller for Concrete CMS 9.5.0 and below

🗓️ 21 May 2026 20:24:11Reported by ConcreteCMSType 
cvelist
 cvelist
🔗 www.cve.org👁 27 Views

CVE-2026-8428: CSRF token not validated in Concrete CMS update controller, enabling unauthorized updates.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-8428
21 May 202620:24
attackerkb
CNNVD
Concrete CMS 跨站请求伪造漏洞
21 May 202600:00
cnnvd
CVE
CVE-2026-8428
21 May 202620:24
cve
EUVD
EUVD-2026-31340
21 May 202620:24
euvd
NVD
CVE-2026-8428
21 May 202621:16
nvd
Positive Technologies
PT-2026-42549
21 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-8428
5 Jun 202619:10
redhatcve
Vulnrichment
CVE-2026-8428 CSRF token is not validated in the core CMS update controller for Concrete CMS 9.5.0 and below
21 May 202620:24
vulnrichment
[
  {
    "vendor": "Concrete CMS",
    "product": "Concrete CMS",
    "collectionURL": "https://github.com/concretecms/concretecms",
    "repo": "https://github.com/concretecms/concretecms",
    "versions": [
      {
        "status": "affected",
        "version": "5.0",
        "lessThanOrEqual": "9.5.0",
        "versionType": "git"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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