Junglewise Threat Intelligence

CVE-2025-54365: PYSEC-2026-1360 - FastAPI Guard has a regex bypass

CVE-2025-54365 · Severity: medium · CVSS 4 · Published 2026-07-07

Technologies: fastapi-guard (PyPI). Vendors: PyPI.

Executive brief

FastAPI Guard has a regex bypass

Affected products

PyPI fastapi-guard

Related threats

PYSEC-2026-1359 - fastapi-guard is vulnerable to ReDoS through inefficient regex
PYSEC-2025-242 - FastAPI Guard is a security library for FastAPI that provides middleware to control IPs, log requests, and detect penetration attempts. An H