CVE-2026-57485
Stirling-PDF is a locally hosted web application that facilitates various operations on PDF files. Prior to 2.9.0, the /api/v1/pipeline/handleData endpoint in app/core/src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineProcessor.java injects the STIRLING-PDF-BACKEND-API-USER API key into pipeline subrequests, allowing an authenticated ROLE_USER to retrieve the key through /api/v1/user/get-api-key, impersonate the internal service account, bypass normal rate limits, and access internal endpoints including /api/v1/info/requests/all and /api/v1/info/load/all. This issue is fixed in version 2.9.0.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
- Puntuación base: 8.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.42%
- Percentil entre todas las CVEs puntuadas: 34
- Fecha de la puntuación: 4/10/2026
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
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1552Unsecured Credentialscredential access90 % - Impacto secundario
T1005Data from Local Systemcollection75 % - Impacto secundario
T1078Valid Accountsstealth · persistence · privilege escalation · initial access80 %
Vector CVSS con PR:L (requiere autenticación) y AV:N confirma T1210. Impacto primario: extracción de credenciales (API key) mediante CWE-522. Secundarios: acceso a datos internos (endpoints /info/*) y suplantación de cuenta del servicio interno (T1078).
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-200, CWE-522
Referencias
- https://github.com/Stirling-Tools/Stirling-PDF/commit/de9625942bbc329fdefcfde161476a633a3b3213
- https://github.com/Stirling-Tools/Stirling-PDF/pull/6047
- https://github.com/Stirling-Tools/Stirling-PDF/releases/tag/v2.9.0
- https://github.com/Stirling-Tools/Stirling-PDF/security/advisories/GHSA-3xxh-mm3g-c9w5
- https://github.com/Stirling-Tools/Stirling-PDF/security/advisories/GHSA-3xxh-mm3g-c9w5
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-57485",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-57485",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-08-18T15:18:17.818684Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "security-advisories@github.com",
"cvssData": {
"scope": "CHANGED",
"version": "3.1",
"baseScore": 8.5,
"attackVector": "NETWORK",
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N",
"integrityImpact": "LOW",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 4.7,
"exploitabilityScore": 3.1
}
]
},
"affected": [
{
"source": "security-advisories@github.com",
"affectedData": [
{
"vendor": "Stirling-Tools",
"product": "Stirling-PDF",
"versions": [
{
"status": "affected",
"version": "< 2.9.0"
}
]
}
]
}
],
"published": "2026-08-17T20:16:44.587",
"references": [
{
"url": "https://github.com/Stirling-Tools/Stirling-PDF/commit/de9625942bbc329fdefcfde161476a633a3b3213",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/Stirling-Tools/Stirling-PDF/pull/6047",
"source": "security-advisories@github.com"
},
{
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"source": "security-advisories@github.com"
},
{
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"source": "security-advisories@github.com"
},
{
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"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
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"source": "security-advisories@github.com",
"description": [
{
"lang": "en",
"value": "CWE-200"
},
{
"lang": "en",
"value": "CWE-522"
}
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}
],
"descriptions": [
{
"lang": "en",
"value": "Stirling-PDF is a locally hosted web application that facilitates various operations on PDF files. Prior to 2.9.0, the /api/v1/pipeline/handleData endpoint in app/core/src/main/java/stirling/software/SPDF/controller/api/pipeline/PipelineProcessor.java injects the STIRLING-PDF-BACKEND-API-USER API key into pipeline subrequests, allowing an authenticated ROLE_USER to retrieve the key through /api/v1/user/get-api-key, impersonate the internal service account, bypass normal rate limits, and access internal endpoints including /api/v1/info/requests/all and /api/v1/info/load/all. This issue is fixed in version 2.9.0."
}
],
"lastModified": "2026-09-09T21:11:46.833",
"sourceIdentifier": "security-advisories@github.com"
}