CVE-2025-46814

CVE-2025-46814 affects the FastAPI Guard library (pre-2.0.0) and describes an HTTP header injection via the X-Forwarded-For header. The underlying issue allows an attacker to inject arbitrary IP addresses into requests, potentially bypassing IP-based access controls, misleading logs, and imperson...

CVE-2025-54365

CVE-2025-54365 concerns the Python package fastapi-guard (3.0.1) where a patched regular-expression length limit fails to catch inputs that bypasses the regex filtering (notably for [removed] attributes), enabling potential ReDoS/back-end resource strain and degraded availability. Multiple connec...

CVE-2025-53539

CVE-2025-53539 affects fastapi-guard: the DoS risk stems from inefficient regular expressions in the SusPatternsManager (suspatterns_handler.py) used to detect penetration attempts, enabling polynomial backtracking under crafted inputs. The vulnerability is documented as fixed in version 3.0.1; r...