CVE-2025-53539

Katalog CVE

CVSS 7.5 · High EPSS 0,48%

Kerentanan Inefficient Regular Expression Complexity pada fastapi-guard fastapi guard. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

FastAPI Guard is a security library for FastAPI that provides middleware to control IPs, log requests, and detect penetration attempts. fastapi-guard's penetration attempts detection uses regex to scan incoming requests. However, some of the regex patterns used in detection are extremely inefficient and can cause polynomial complexity backtracks when handling specially crafted inputs. This vulnerability is fixed in 3.0.1.

Rincian

Terbit di NVD

7 Juli 2025

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-1333: Inefficient Regular Expression Complexity

EPSS (30 hari)

0,48% peluang dieksploitasi; lebih tinggi dari 39,7% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/rennf93/fastapi-guard/security/advisories/GHSA-j47q-rc62-w448 exploit · advisory vendor
• https://github.com/rennf93/fastapi-guard/commit/d9d50e8130b7b434cdc1b001b8cfd03a06729f7f patch