Detections
Analytics

SCA: security update for fastapi-guard (GHSA-j47q-rc62-w448)

medium Tenable Self-Hosted Container Security Plugin ID 428302

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2025-53539)

See Also

https://github.com/advisories/GHSA-j47q-rc62-w448

Plugin Details

Severity: Medium

ID: 428302

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 7/8/2025

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.51

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2025-53539

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/7/2025

Vulnerability Publication Date: 7/7/2025

Reference Information

CVE: CVE-2025-53539