CVE-2026-86185
Bilibili Desktop through 1.18.0 disables TLS certificate verification process-wide and executes unsigned remote JavaScript configuration without integrity checks. An attacker in an on-path network position can intercept configuration fetches, inject arbitrary JavaScript executed in the renderer with access to the privileged IPC bridge, and execute system commands or steal login credentials.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/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
- Puntuación base: 8.6
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.17%
- Percentil entre todas las CVEs puntuadas: 6
- 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
T1203Exploitation for Client Executionexecution85 % - Impacto principal
T1557Adversary-in-the-Middlecredential access · collection90 % - Impacto secundario
T1059Command and Scripting Interpreterexecution88 % - Impacto secundario
T1212Exploitation for Credential Accesscredential access85 %
CVSS AV:A (red adyacente) + UI:P (requiere interacción) → T1203. Atacante en ruta (on-path) inyecta JavaScript malicioso: T1557. Ejecución de comandos del sistema y robo de credenciales.
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-295
Referencias
- https://app.bilibili.com/
- https://github.com/LeoWSY-hashblue/bilibili-desktop-tls-disabled-rce
- https://github.com/LeoWSY-hashblue/bilibili-desktop-tls-disabled-rce/blob/main/advisory.md
- https://www.vulncheck.com/advisories/bilibili-desktop-through-1.18.0-remote-code-execution-via-tls-verification-bypass
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-86185",
"cveTags": [],
"metrics": {
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{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"role": "CISA Coordinator",
"options": [
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"exploitation": "none"
},
{
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},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-09-08T18:15:15.922593Z"
}
}
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"cvssMetricV31": [
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"integrityImpact": "HIGH",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
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"confidentialityImpact": "HIGH"
},
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}
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"cvssMetricV40": [
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"version": "4.0",
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"Automatable": "NOT_DEFINED",
"attackVector": "ADJACENT",
"baseSeverity": "HIGH",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/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",
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"vulnIntegrityImpact": "HIGH",
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"vulnAvailabilityImpact": "HIGH",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
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"modifiedPrivilegesRequired": "NOT_DEFINED",
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"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
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"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
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"affected": [
{
"source": "disclosure@vulncheck.com",
"affectedData": [
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"vendor": "Bilibili",
"product": "Bilibili Desktop",
"versions": [
{
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"version": "0",
"versionType": "custom",
"lessThanOrEqual": "1.18.0"
}
],
"platforms": [
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"defaultStatus": "unaffected"
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"published": "2026-09-05T12:16:49.240",
"references": [
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"url": "https://app.bilibili.com/",
"source": "disclosure@vulncheck.com"
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{
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"source": "disclosure@vulncheck.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
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"description": [
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"value": "CWE-295"
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"descriptions": [
{
"lang": "en",
"value": "Bilibili Desktop through 1.18.0 disables TLS certificate verification process-wide and executes unsigned remote JavaScript configuration without integrity checks. An attacker in an on-path network position can intercept configuration fetches, inject arbitrary JavaScript executed in the renderer with access to the privileged IPC bridge, and execute system commands or steal login credentials."
}
],
"lastModified": "2026-09-23T17:17:45.240",
"sourceIdentifier": "disclosure@vulncheck.com"
}