CVE-2026-33314
Estado: AnalizadaMedia (6.5)—
pyLoad is a free and open-source download manager written in Python. Prior to version 0.5.0b3.dev97, a Host Header Spoofing vulnerability in the @local_check decorator allows unauthenticated external attackers to bypass local-only restrictions. This grants access to the Click'N'Load API endpoints, enabling attackers to remotely queue arbitrary downloads, leading to Server-Side Request Forgery (SSRF) and Denial of Service (DoS). This issue has been patched in version 0.5.0b3.dev97.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- Puntuación base: 6.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.18%
- Percentil entre todas las CVEs puntuadas: 7
- Fecha de la puntuación: 6/10/2026
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).
Tecnologías afectadas (1)
CWE
- CWE-287, CWE-346
Referencias
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-33314",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-33314",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-03-26T19:33:35.949774Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 6.5,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 2.5,
"exploitabilityScore": 3.9
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "pyload",
"product": "pyload",
"versions": [
{
"status": "affected",
"version": "< 0.5.0b3.dev97"
}
]
}
]
}
],
"published": "2026-03-24T20:16:27.690",
"references": [
{
"url": "https://github.com/pyload/pyload/security/advisories/GHSA-q485-cg9q-xq2r",
"tags": [
"Exploit",
"Vendor Advisory"
],
"source": "security-advisories@github.com"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-287"
},
{
"lang": "en",
"value": "CWE-346"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "pyLoad is a free and open-source download manager written in Python. Prior to version 0.5.0b3.dev97, a Host Header Spoofing vulnerability in the @local_check decorator allows unauthenticated external attackers to bypass local-only restrictions. This grants access to the Click'N'Load API endpoints, enabling attackers to remotely queue arbitrary downloads, leading to Server-Side Request Forgery (SSRF) and Denial of Service (DoS). This issue has been patched in version 0.5.0b3.dev97."
},
{
"lang": "es",
"value": "pyLoad es un gestor de descargas de código abierto y gratuito escrito en Python. Antes de la versión 0.5.0b3.dev97, una vulnerabilidad de suplantación de encabezado de host en el decorador @local_check permite a atacantes externos no autenticados eludir las restricciones de solo acceso local. Esto otorga acceso a los puntos finales de la API de Click'N'Load, lo que permite a los atacantes poner en cola descargas arbitrarias de forma remota, lo que lleva a la falsificación de petición del lado del servidor (SSRF) y a la denegación de servicio (DoS). Este problema ha sido parcheado en la versión 0.5.0b3.dev97."
}
],
"lastModified": "2026-06-17T10:37:18.447",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:pyload-ng_project:pyload-ng:*:*:*:*:*:python:*:*",
"vulnerable": true,
"matchCriteriaId": "49DB5560-08BC-47E1-ADC3-729D9746159F",
"versionEndExcluding": "0.5.0b3.dev97"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "security-advisories@github.com"
}