CVE-2026-113606
Stirling-PDF desde la 3.0.0 hasta la 3.2.0 contiene una vulnerabilidad de elusión de autorización que permite a los usuarios autenticados acceder a los archivos almacenados de otros usuarios al apuntar una carpeta de procesamiento al directorio de almacenamiento del servidor. Los atacantes pueden crear una carpeta mediante POST /api/v1/processing-folders apuntando a storage/<victimUserId>, listar archivos y ejecutar pipelines para leer, modificar o destruir los archivos de las víctimas.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 7.1
- Versión
- 4.0
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/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
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1005Data from Local Systemcollection80 % - Impacto secundario
T1485Data Destructionimpact65 % - Impacto secundario
T1565.001Stored Data Manipulationimpact70 %
Vector AV:N/PR:L/UI:N exige usuario autenticado por red (T1210). El texto indica lectura, modificación y destrucción de archivos de otros usuarios vía storage/<victimUserId>.
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-639
Referencias
Mostrar las 6 referencias
- https://abraxaslabs.tech/research/stirling-pdf-3.2.0-leftovers
- https://abraxaslabs.tech/research/stirling-storage-folder-idor
- https://github.com/Stirling-Tools/Stirling-PDF/blob/v3.2.0/app/proprietary/src/main/java/stirling/software/proprietary/policy/config/FolderAccessGuard.java
- https://github.com/Stirling-Tools/Stirling-PDF/blob/v3.2.0/app/proprietary/src/main/java/stirling/software/proprietary/policy/controller/ProcessingFolderController.java
- https://github.com/abraxas/stirling-storage-folder-idor
- https://www.vulncheck.com/advisories/stirling-pdf-3.0.0-through-3.2.0-authorization-bypass-via-processing-folders
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-113606",
"cveTags": [],
"metrics": {
"cvssMetricV31": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 7.1,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "LOW"
},
"impactScore": 4.2,
"exploitabilityScore": 2.8
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 7.1,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:N/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": "NONE",
"privilegesRequired": "LOW",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"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/Stirling-Tools/Stirling-PDF",
"vendor": "Stirling-Tools",
"product": "Stirling-PDF",
"versions": [
{
"status": "affected",
"version": "3.0.0",
"versionType": "semver",
"lessThanOrEqual": "3.2.0"
}
],
"packageURL": "pkg:github/Stirling-Tools/Stirling-PDF",
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-20T16:17:10.623",
"references": [
{
"url": "https://abraxaslabs.tech/research/stirling-pdf-3.2.0-leftovers",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://abraxaslabs.tech/research/stirling-storage-folder-idor",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/Stirling-Tools/Stirling-PDF/blob/v3.2.0/app/proprietary/src/main/java/stirling/software/proprietary/policy/config/FolderAccessGuard.java",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/Stirling-Tools/Stirling-PDF/blob/v3.2.0/app/proprietary/src/main/java/stirling/software/proprietary/policy/controller/ProcessingFolderController.java",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/abraxas/stirling-storage-folder-idor",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://www.vulncheck.com/advisories/stirling-pdf-3.0.0-through-3.2.0-authorization-bypass-via-processing-folders",
"source": "disclosure@vulncheck.com"
}
],
"vulnStatus": "Received",
"weaknesses": [
{
"type": "Primary",
"source": "disclosure@vulncheck.com",
"description": [
{
"lang": "en",
"value": "CWE-639"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Stirling-PDF 3.0.0 through 3.2.0 contains an authorization bypass vulnerability that allows authenticated users to access other users' stored files by pointing a processing folder at the server storage directory. Attackers can create a folder via POST /api/v1/processing-folders targeting storage/<victimUserId>, list files, and run pipelines to read, modify, or destroy victims' files."
}
],
"lastModified": "2026-10-20T16:17:10.623",
"sourceIdentifier": "disclosure@vulncheck.com"
}