CVE-2026-94501
jshERP through 3.6 contains an authorization bypass vulnerability in the userBusiness CRUD endpoints that allows authenticated users to create, modify, or delete authorization-relation rows without privilege checks. Attackers can manipulate user-role mappings and access controls to escalate privileges, strip access from other accounts, or modify role-function relationships for any user in the tenant.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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
- Puntuación base: 8.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.55%
- Percentil entre todas las CVEs puntuadas: 44
- 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
T1210Exploitation of Remote Serviceslateral movement85 % - Impacto principal
T1078Valid Accountsstealth · persistence · privilege escalation · initial access90 % - Impacto secundario
T1098Account Manipulationpersistence · privilege escalation85 % - Impacto secundario
T1556Modify Authentication Processdefense impairment · persistence · credential access80 %
Acceso autenticado a endpoints CRUD sin verificación de privilegios permite escalada de privilegios manipulando mapeos usuario-rol y relaciones rol-función, afectando cuentas ajenas en el tenant (CWE-862: autorización insuficiente).
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-862
Referencias
- https://github.com/LinYuanyi1/cve-request-poc/blob/master/jshERP/poc-07-userbusiness-authorization-delete.py
- https://github.com/jishenghua/jshERP
- https://github.com/jishenghua/jshERP/blob/v3.6/jshERP-boot/src/main/java/com/jsh/erp/controller/UserBusinessController.java#L50-L80
- https://www.vulncheck.com/advisories/jsherp-through-3.6-privilege-escalation-via-userbusiness-crud
JSON original (NVD)
Mostrar
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"affected": [
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"lastModified": "2026-09-22T20:43:58.793",
"sourceIdentifier": "disclosure@vulncheck.com"
}