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Medium severity4.3NVD Advisory· Published May 22, 2026· Updated May 22, 2026

CVE-2026-8347

CVE-2026-8347

Description

Concrete CMS 9.5.0 and below is vulnerable to IDOR + wrong-authorization-level in the Express association Reorder dialog.  This can cause Cross-entity state tampering with view-only permission on one entry. To be affected, a website has to be using express and relying on express entity ordering. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Winston Crooker for reporting.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

2
  • Concrete5/Concrete52 versions
    cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*range: <9.5.1
    • (no CPE)range: <=9.5.0

Patches

Vulnerability mechanics

References

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News mentions

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