CVE-2026-63190: FearlessCMS is a flat-file `content` management system ce… TheHackerWire / 4h nFearlessCMS versions prior to 0.1.4 are critically vulnerable to an unauthenticated admin URI bypass, exposing five debug scripts that permit arbitrary file writes, sensitive data enumeration, stored cross-site scripting, and denial-of-service. Telemetry Metric Intelligence Detail CVE Identifier CVE-2026-63190 CVSS Severity 9.4 CRITICAL Affected Target login gate Vulnerability Class CWE-79: Cross-Site
