CVE-2026-108753
Agnaistic agnai hasta la versión 1.0.555 contiene una vulnerabilidad de credenciales codificadas en self-host.docker-compose.yml, que establece una contraseña de administrador fija y un secreto JWT público. Los atacantes no autenticados pueden iniciar sesión como administrador o firmar su propio JWT con admin: true para suplantar a usuarios, restablecer contraseñas y cambiar la configuración del servidor.
Traducción automática del texto original de NVD (en inglés).
CVSS
- Puntuación base
- 9.3
- Versión
- 4.0
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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
- 0.34 %
- Percentil entre todas las CVEs puntuadas
- 26
- 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
T1190Exploit Public-Facing Applicationinitial access90 % - Impacto principal
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access95 % - Impacto secundario
T1556Modify Authentication Processdefense impairment · persistence · credential access85 %
AV:N/PR:N/UI:N indica explotación remota sin autenticación previa (T1190). Las credenciales hard-coded permiten obtener acceso administrativo (T1078.001), modificar autenticación (T1556) y gestionar cuentas (T1098.001).
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-798
Referencias
Mostrar las 7 referencias
- https://github.com/agnaistic/agnai
- https://github.com/agnaistic/agnai/blob/6c3de258cb33999c3f292c71aa031d2352681186/README.md#L75-L82
- https://github.com/agnaistic/agnai/blob/6c3de258cb33999c3f292c71aa031d2352681186/self-host.docker-compose.yml#L18-L26
- https://github.com/agnaistic/agnai/blob/6c3de258cb33999c3f292c71aa031d2352681186/srv/api/auth.ts#L11-L14
- https://hackmd.io/@haind/agnai-selfhost-compose-hardcoded-admin-jwt-secret
- https://www.vulncheck.com/advisories/agnaistic-agnai-through-1.0.555-hard-coded-credentials-in-self-host-docker-compose
- https://hackmd.io/@haind/agnai-selfhost-compose-hardcoded-admin-jwt-secret
JSON original (NVD)
Mostrar
{
"id": "CVE-2026-108753",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-108753",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"version": "2.0.3",
"timestamp": "2026-10-13T19:44:26.724370Z"
}
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 9.4,
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L",
"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.5,
"exploitabilityScore": 3.9
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 9.3,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "CRITICAL",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "LOW",
"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/agnaistic/agnai",
"vendor": "agnaistic",
"product": "agnai",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "1.0.555"
}
],
"packageURL": "pkg:npm/agnai",
"defaultStatus": "unaffected"
}
]
}
],
"published": "2026-10-11T13:17:20.237",
"references": [
{
"url": "https://github.com/agnaistic/agnai",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/agnaistic/agnai/blob/6c3de258cb33999c3f292c71aa031d2352681186/README.md#L75-L82",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/agnaistic/agnai/blob/6c3de258cb33999c3f292c71aa031d2352681186/self-host.docker-compose.yml#L18-L26",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://github.com/agnaistic/agnai/blob/6c3de258cb33999c3f292c71aa031d2352681186/srv/api/auth.ts#L11-L14",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://hackmd.io/@haind/agnai-selfhost-compose-hardcoded-admin-jwt-secret",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://www.vulncheck.com/advisories/agnaistic-agnai-through-1.0.555-hard-coded-credentials-in-self-host-docker-compose",
"source": "disclosure@vulncheck.com"
},
{
"url": "https://hackmd.io/@haind/agnai-selfhost-compose-hardcoded-admin-jwt-secret",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Deferred",
"weaknesses": [
{
"type": "Secondary",
"source": "disclosure@vulncheck.com",
"description": [
{
"lang": "en",
"value": "CWE-798"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "Agnaistic agnai through 1.0.555 contains a hard-coded credentials vulnerability in self-host.docker-compose.yml, which sets a fixed admin password and public JWT secret. Unauthenticated attackers can log in as admin or sign their own JWT with admin: true to impersonate users, reset passwords, and change server configuration."
}
],
"lastModified": "2026-10-16T19:18:44.867",
"sourceIdentifier": "disclosure@vulncheck.com"
}