
🚨 Fortinet FortiAuthenticator Vulnerability – CVE-2026-21743 (High Severity) A missing authorization vulnerability in FortiAuthenticator may allow a read-only user to modify local users through a file upload to an unprotected endpoint. Affected versions: 6.6.0 through 6.6.6 All 6.5 versions All 6.4 versions All 6.3 versions If your organization relies on Fortinet products, this is the kind of issue you don’t want to miss. You can monitor Fortinet (and any other vendor) continuously via VulnTracker and get notified when your tracked products are affected. 🔗 https://vulntracker.io Stay aware. Act early. Reduce exposure. #infosec #cybersecurity #CVE #VulnerabilityTracking #VulnerabilityManagement
Post summary
The post announces a high‑severity missing‑authorization vulnerability in FortiAuthenticator (CVE‑2026‑21743) and lists affected versions, but does not provide a PoC, exploit code, or patch information.
