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CVE-2026-8237

🗓️ 21 May 2026 22:16:49Reported by [email protected]Type 
nvd
 nvd
🔗 web.nvd.nist.gov👁 12 Views

Concrete CMS versions 9.5.0 and earlier expose full messages and attachments via IDOR at the message_detail endpoint.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-8237
21 May 202621:01
attackerkb
CNNVD
Concrete CMS 安全漏洞
21 May 202600:00
cnnvd
CVE
CVE-2026-8237
21 May 202621:01
cve
Cvelist
CVE-2026-8237 Concrete CMS 9.5.0 and below is vulnerable to IDOR in the`/ccm/frontend/conversations/message_detail` endpoint
21 May 202621:01
cvelist
EUVD
EUVD-2026-31352
22 May 202600:31
euvd
Github Security Blog
Concrete CMS is vulnerable to IDOR
22 May 202600:31
github
OSV
GHSA-XPGC-7VC2-8725 Concrete CMS is vulnerable to IDOR
22 May 202600:31
osv
Positive Technologies
PT-2026-42559
21 May 202600:00
ptsecurity
RedhatCVE
CVE-2026-8237
5 Jun 202619:24
redhatcve
Snyk
Missing Authorization
22 May 202600:31
snyk
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NVD

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