CVE-2026-108723
answer-me-with-html en la versión 0.5.0 y anteriores contiene una vulnerabilidad de seguimiento de enlaces en el bloque de código de la CLI am, donde localPath() comprueba únicamente el texto de la ruta sin resolver enlaces simbólicos. Los atacantes pueden enviar un repositorio con un enlace simbólico que apunta fuera del directorio de checkout, de modo que am render incruста archivos externos legibles en el HTML generado, divulgándolos cuando se comparten.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 2
- Versión
- 4.0
- Vector
- CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/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)
- Probabilidad de explotación en los próximos 30 días
- 0.14 %
- Percentil entre todas las CVEs puntuadas
- 3
- Fecha de la puntuación
- 20/10/2026
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
T1005Data from Local Systemcollection80 %
Requiere interacción del usuario (UI:P): abrir/renderizar un repositorio preparado. Impacto: lectura de archivos locales (CWE-59: link following sin resolver symlinks); T1005 por acceso a datos en el sistema local.
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-59
Referencias
Mostrar las 4 referencias
- https://github.com/QingYunA/answer-me-with-html
- https://github.com/QingYunA/answer-me-with-html/blob/b275eba8d4cc49bcb4bbc28459863f4b49a480f9/src/code.js#L74-L105
- https://hackmd.io/@haind/answer-me-with-html-code-src-symlink-escape
- https://www.vulncheck.com/advisories/answer-me-with-html-through-0.5.0-symlink-following-in-code-block-src-embedding
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-108723",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-108723",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-10-18T11:31:05.902831Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 2.5,
"attackVector": "LOCAL",
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "REQUIRED",
"attackComplexity": "HIGH",
"availabilityImpact": "NONE",
"privilegesRequired": "NONE",
"confidentialityImpact": "LOW"
},
"impactScore": 1.4,
"exploitabilityScore": 1
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 2,
"Automatable": "NOT_DEFINED",
"attackVector": "LOCAL",
"baseSeverity": "LOW",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/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": "PASSIVE",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"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/QingYunA/answer-me-with-html",
"vendor": "QingYunA",
"product": "answer-me-with-html",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "0.5.0"
}
],
"packageURL": "pkg:github/QingYunA/answer-me-with-html",
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-11T13:17:15.840",
"references": [
{
"url": "https://github.com/QingYunA/answer-me-with-html",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/QingYunA/answer-me-with-html/blob/b275eba8d4cc49bcb4bbc28459863f4b49a480f9/src/code.js#L74-L105",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://hackmd.io/@haind/answer-me-with-html-code-src-symlink-escape",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://www.vulncheck.com/advisories/answer-me-with-html-through-0.5.0-symlink-following-in-code-block-src-embedding",
"source": "disclosure@vulncheck.com"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"description": [
{
"lang": "en",
"value": "CWE-59"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "answer-me-with-html through 0.5.0 contains a link following vulnerability in the am CLI code block src= embedding, where localPath() checks only path text without resolving symlinks. Attackers can ship a repository with a symlink pointing outside the checkout so am render embeds readable external files into generated HTML, disclosing them when shared."
}
],
"lastModified": "2026-10-18T12:17:00.497",
"sourceIdentifier": "disclosure@vulncheck.com"
}