Vulnerabilities
Report: CVE-2026-8239 - Concrete CMS 9.5.0 and below is vulnerable to IDOR in '/ccm/frontend/conversation
CVE ID :CVE-2026-8239 Published : May 21, 2026, 10:16 p.m. | 46 minutes ago Description :Concrete CMS 9.5.0 and below is vulnerable to IDOR. The '/ccm/frontend/conversations/get_rating' endpoint confirms existence and returns rating score for any message by ID. 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. Severity: 6.3 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...