CVE-2026-113703

SuggestArr before 3.0.0 contains an authentication bypass vulnerability in its local bypass authentication mode where enforce authentication() in api service/auth/middleware.py trusts the client-controlled request.remote addr value, which is derived from the spoofable X-Forwarded-For header due to ProxyFix(x for=1) configuration in api service/app.py. Attackers can send a request with X-Forwarded-For set to a trusted CIDR address such as 127.0.0.1 to be granted an unauthenticated admin session via load bypass user context(), gaining full administrative access to endpoints like /api/users and /api/jobs without providing any credentials.