SB20261110295 - Uncontrolled Recursion in faraday

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Main Vulnerability Database SB20261110295

SB20261110295 - Uncontrolled Recursion in faraday

Published: November 10, 2026

Security Bulletin ID SB20261110295
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Uncontrolled Recursion (CVE-ID: CVE-2026-54297)

CWE-ID: CWE-674 - Uncontrolled Recursion

CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]


The vulnerability allows a remote attacker to cause a denial of service through stack exhaustion in applications using Faraday.

The vulnerability exists due to uncontrolled recursion without a maximum nesting depth in Faraday::NestedParamsEncoder's dehash routine when processing attacker-controlled nested query strings. A remote attacker can supply deeply nested query parameters through applications using Faraday::Utils.parse_nested_query or Faraday URL construction to trigger an uncaught SystemStackError and crash the calling thread or worker.


Remediation

Install update from vendor's website.

References