CVE-2026-54297 (GCVE-0-2026-54297)

Vulnerability from cvelistv5 – Published: 2026-06-24 15:50 – Updated: 2026-06-30 12:10
VLAI
Title
Faraday: Uncontrolled recursion in NestedParamsEncoder allows stack exhaustion DoS via deeply nested query parameters
Summary
Faraday is an HTTP client library abstraction layer that provides a common interface over many adapters. From 1.0.0 until 1.10.6 and 2.14.3, Faraday::NestedParamsEncoder, the default nested query parameter encoder/decoder in Faraday, decodes nested query strings without enforcing a maximum nesting depth. A crafted query string causes Faraday to build a deeply nested Ruby Hash structure. The internal dehash routine then recursively walks this attacker-controlled structure without a depth limit. At sufficient depth, Ruby raises an uncaught SystemStackError (stack level too deep), crashing the calling thread or worker. This can lead to denial of service in applications that pass attacker-controlled query strings to Faraday's nested query parsing or URL-building paths. This vulnerability is fixed in 1.10.6 and 2.14.3.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-674 - Uncontrolled Recursion
  • CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
Impacted products
Vendor Product Version
lostisland faraday Affected: >= 1.0.0, < 1.10.6
Affected: >= 2.0.0.alpha.pre.1, < 2.14.3
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Red Hat Red Hat 3scale API Management Platform 2     cpe:/a:redhat:red_hat_3scale_amp:2
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Red Hat Red Hat Satellite 6     cpe:/a:redhat:satellite:6
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