CVE-2026-54297
Estado: ModificadaAlta (7.5)—
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.
Leer descripción completaMostrar menos
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.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 7.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.76%
- Percentil entre todas las CVEs puntuadas: 54
- Fecha de la puntuación: 5/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
🎯 Técnicas ATT&CK
Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.
- Explotación
T1190Exploit Public-Facing Applicationinitial access85 % - Impacto principal
T1499.004Application or System Exploitationimpact90 %
Vulnerabilidad en librería HTTP expuesta en red (AV:N, PR:N, UI:N). Cadena de consulta malformada causa denegación de servicio por agotamiento de pila (CWE-674, CWE-770, SystemStackError), impactando disponibilidad del servicio.
Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.
🛡️ Mitigaciones ATT&CK que cubren estas técnicas
Tecnologías afectadas (1)
CWE
- CWE-674
- CWE-770
Referencias
- https://github.com/lostisland/faraday/security/advisories/GHSA-98m9-hrrm-r99r
- https://access.redhat.com/errata/RHSA-2026:50221
- https://access.redhat.com/errata/RHSA-2026:50222
- https://access.redhat.com/errata/RHSA-2026:50223
- https://access.redhat.com/errata/RHSA-2026:50263
- https://access.redhat.com/security/cve/CVE-2026-54297
- https://bugzilla.redhat.com/show_bug.cgi?id=2492252
- https://github.com/lostisland/faraday/security/advisories/GHSA-98m9-hrrm-r99r
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-54297.json
JSON original (NVD)
Mostrar
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"published": "2026-06-24T17:17:29.030",
"references": [
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"url": "https://access.redhat.com/security/cve/CVE-2026-54297",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492252",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
},
{
"url": "https://github.com/lostisland/faraday/security/advisories/GHSA-98m9-hrrm-r99r",
"tags": [
"Exploit",
"Mitigation",
"Vendor Advisory"
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
},
{
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-54297.json",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-674"
}
]
},
{
"type": "Secondary",
"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c",
"description": [
{
"lang": "en",
"value": "CWE-770"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "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."
}
],
"lastModified": "2026-08-14T13:19:02.990",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:faraday_project:faraday:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "EEB59F99-69FC-45F9-8DF3-61A58D8D4504",
"versionEndExcluding": "1.10.6",
"versionStartIncluding": "1.0.0"
},
{
"criteria": "cpe:2.3:a:faraday_project:faraday:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "9AB1DE81-F24B-49F4-9620-4C2ED1AC5470",
"versionEndExcluding": "2.14.3",
"versionStartIncluding": "2.0.0"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security-advisories@github.com"
}