CVE-2026-113613
FlexGet anterior a la versión 3.20.7 contiene una vulnerabilidad de path traversal en el plugin decompress que permite a atacantes remotos escribir archivos arbitrarios mediante rutas de miembros de archivo maliciosas. Los atacantes pueden distribuir archivos zip o rar con secuencias ../ o rutas absolutas a través de un feed, escribiendo archivos Python en el directorio de plugins para ejecutar código.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 9.2
- Versión
- 4.0
- Vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Probabilidad de explotación (EPSS)
FIRST aún no ha puntuado esta CVE (habitual en CVEs muy recientes o rechazadas).
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 access90 % - Impacto principal
T1059Command and Scripting Interpreterexecution80 %
AV:N/PR:N/UI:N y path traversal (CWE-22) en el plugin decompress de FlexGet permite escribir ficheros Python en el directorio de plugins para ejecutar código.
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)
⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.
CWE
- CWE-22
Referencias
Mostrar las 5 referencias
- https://github.com/Flexget/Flexget/blob/v3.20.6/flexget/components/archives/decompress.py#L74-L77
- https://github.com/Flexget/Flexget/commit/38fa748461e20befee942f5c79d8a098edea5c1f
- https://github.com/Flexget/Flexget/releases/tag/v3.20.7
- https://github.com/Flexget/Flexget/security/advisories/GHSA-6v57-v478-59v9
- https://www.vulncheck.com/advisories/flexget-before-3.20.7-path-traversal-zip-slip-via-decompress-plugin
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-113613",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 8.1,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "HIGH",
"availabilityImpact": "HIGH",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
"exploitabilityScore": 2.2
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 9.2,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "HIGH",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "disclosure@vulncheck.com",
"affectedData": [
{
"repo": "https://github.com/Flexget/Flexget",
"vendor": "FlexGet",
"product": "FlexGet",
"versions": [
{
"status": "affected",
"version": "0",
"lessThan": "3.20.7",
"versionType": "semver"
}
],
"packageURL": "pkg:pypi/flexget",
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-20T16:17:11.933",
"references": [
{
"url": "https://github.com/Flexget/Flexget/blob/v3.20.6/flexget/components/archives/decompress.py#L74-L77",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/Flexget/Flexget/commit/38fa748461e20befee942f5c79d8a098edea5c1f",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/Flexget/Flexget/releases/tag/v3.20.7",
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},
{
"url": "https://github.com/Flexget/Flexget/security/advisories/GHSA-6v57-v478-59v9",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://www.vulncheck.com/advisories/flexget-before-3.20.7-path-traversal-zip-slip-via-decompress-plugin",
"source": "disclosure@vulncheck.com"
}
],
"vulnStatus": "Received",
"weaknesses": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"description": [
{
"lang": "en",
"value": "CWE-22"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "FlexGet before 3.20.7 contains a path traversal vulnerability in the decompress plugin that allows remote attackers to write arbitrary files by supplying malicious archive member paths. Attackers can deliver zip or rar archives with ../ sequences or absolute paths through a feed, writing Python files into the plugins directory for code execution."
}
],
"lastModified": "2026-10-20T16:17:11.933",
"sourceIdentifier": "disclosure@vulncheck.com"
}