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CVE-2026-7881
Published: May 21, 2026
Modified: May 22, 2026
PUBLISHED
Description
Concrete CMS 9.5.0 and below is subject to Insecure Direct Object Reference (IDOR) in the Express Entry Detail block via the exEntryID parameter. This IDOR leads to unauthorized access to all Express form submissions. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N. Thanks Tristan Madani for reporting.
| Vendor | Product | Versions |
|---|---|---|
Concrete CMS | Concrete CMS | affected 5.0 - < 9.5.0 |
Weaknesses (CWE)
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