CVE-2026-103494

Estado: AnalizadaMedia (6.6)—

In JetBrains YouTrack before 2026.2.19422 privilege escalation was possible via user group membership changes

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Puntuación base: 6.6

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.21%
Percentil entre todas las CVEs puntuadas: 10
Fecha de la puntuación: 6/10/2026

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.

ExplotaciónT1210 Exploitation of Remote Serviceslateral movement45 %
Impacto principalT1098.002 Additional Email Delegate Permissionspersistence · privilege escalation65 %
Impacto secundarioT1078.001 Default Accountsstealth · persistence · privilege escalation · initial access60 %

Escalada de privilegios en servicio remoto YouTrack (AV:N, PR:H) mediante manipulación de membresías de grupo. Requiere privilegios previos y red accesible, indicativo de T1210. El impacto es obtención/modificación de cuentas privilegiadas.

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

Privileged Account Management Multi-factor Authentication Disable or Remove Feature or Program Vulnerability Scanning Threat Intelligence Program Password Policies

Tecnologías afectadas (1)

Jetbrains — Youtrack

CWE

CWE-266

Referencias

https://www.jetbrains.com/privacy-security/issues-fixed/

JSON original (NVD)

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