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CVE CVE-2026-7881

CVE-2026-7881

Express

Severity: —
CVSS: —CVSS
Published: 2026-05-21
Last modified: 2026-05-21
CWE: CWE-639

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.

References

https://documentation.concretecms.org/9-x/developers/introduction/version-history/951-release-notes

Summary

Description

References