CVE-2026-97877
A vulnerability was determined in zhistaredu StarTraining up to 3.8.1. This issue affects the function UserLoginService.createToken of the file application.yml of the component JWT Token Handler. This manipulation of the argument user_id/company_id causes use of hard-coded password. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.45%
- Percentil entre todas las CVEs puntuadas: 37
- 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.
- Explotación
T1190Exploit Public-Facing Applicationinitial access85 % - Impacto principal
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access90 % - Impacto secundario
T1556.004Network Device Authenticationdefense impairment · persistence · credential access75 %
Vulnerabilidad en JWT Token Handler explotable remotamente (AV:N, PR:N) mediante manipulación de parámetros user_id/company_id. El uso de contraseña hardcodeada permite suplantación de identidad y obtención de tokens de autenticación válidos.
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-255, CWE-259
Referencias
JSON original (NVD)
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"value": "A vulnerability was determined in zhistaredu StarTraining up to 3.8.1. This issue affects the function UserLoginService.createToken of the file application.yml of the component JWT Token Handler. This manipulation of the argument user_id/company_id causes use of hard-coded password. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way."
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