CVE-2026-57921

Estado: AnalizadaAlta (7.5)—

In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Puntuación base: 7.5

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.30%
Percentil entre todas las CVEs puntuadas: 21
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.

ExplotaciónT1190 Exploit Public-Facing Applicationinitial access95 %
Impacto principalT1005 Data from Local Systemcollection85 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access75 %

CVSS AV:N/PR:N/UI:N indica acceso remoto sin autenticación (T1190). CWE-862 (improper access control) permite lectura de datos privados (T1005) y potencial acceso no autorizado a cuentas (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

Privileged Account Management Application Developer Guidance Active Directory Configuration Vulnerability Scanning User Training User Account Management

Tecnologías afectadas (1)

Jetbrains — Youtrack

CWE

CWE-862

Referencias

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

JSON original (NVD)

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