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Concrete CMS 安全漏洞

🗓️ 21 May 2026 00:00:00Reported by China National Vulnerability Database of Information SecurityType 
cnnvd
 cnnvd
🔗 www.cnnvd.org.cn👁 9 Views

CMS versions up to 9.5.0 have insecure object reference in attachments may bypass permissions.

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Refs
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ATTACKERKB
CVE-2026-7886
21 May 202621:18
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21 May 202622:41
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Cvelist
CVE-2026-7886 Concrete CMS 9.5.0 and below is vulnerable to IDOR in AddMessage/UpdateMessage via attachments[] parameter
21 May 202621:18
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EUVD
EUVD-2026-31360
22 May 202600:31
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Github Security Blog
Concrete CMS is vulnerable to IDOR in AddMessage/UpdateMessage
22 May 202600:31
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NVD
CVE-2026-7886
21 May 202622:16
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OSV
GHSA-P8P9-5953-H9JW Concrete CMS is vulnerable to IDOR in AddMessage/UpdateMessage
22 May 202600:31
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Positive Technologies
PT-2026-42556
21 May 202600:00
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RedhatCVE
CVE-2026-7886
5 Jun 202619:50
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02 Jun 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.14.3
CVSS 42.3
EPSS0.00288
SSVC
9