CVE-2026-7881 — Concrete CMS 9.5.0 and below is vulnerable to IDOR in the Express Entry Detail block
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…
Published: 2026-05-21 · CVSS: 6.3 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7