Overhaul Your Site Defense: Concrete CMS Security Fixes Arrive in Version 9.5.1
ID: c5f7dd59-e6ab-5fbf-894c-f47a32915e74
STIX ID: report--c5f7dd59-e6ab-5fbf-894c-f47a32915e74
Feed Name: securityonline.info
Threat Score
Concrete CMS 9.5.1 fixes multiple high-severity security issues: a path traversal + upload validation flaw enabling remote code execution (CVE-2026-8134, CVSS 9.4), an insecure deserialization vulnerability allowing server takeover (CVE-2026-8135), a batch of CSRF weaknesses that can force administrators to download or install malicious packages, and an authorization bypass (CVE-2026-8350) that could assign administrative access improperly; administrators should apply the update immediately.
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