CVE-2026-78970
CVE-2026-78970
JeecgBoot 3.9.2 and earlier contains an authorization bypass vulnerability in the SystemApiController component. An authenticated attacker with any valid JWT token can access multiple API endpoints (including queryAllUser, queryUsersByUsernames, queryUserById, and queryUsersByIds) to retrieve sensitive information of all users, including real names, phone numbers, email addresses, employee numbers, and role definitions, due to missing fine-grained permission checks and incomplete data desensitization.
Vulnerability class: Broken Access Control
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-78970?
- CVE-2026-78970 is a medium-severity vulnerability, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-09-04.
- How severe is CVE-2026-78970?
- Medium severity. CVSS v3 base score is 6.5 out of 10.