CVE-2026-108649 in JeecgBoot

Summary

by MITRE • 10/11/2026

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the queryUserRolesById handler of SystemApiController that lets authenticated users read any user's role codes. Low-privileged attackers can send a userId to GET /sys/api/queryUserRolesById to enumerate role assignments and identify administrator accounts.

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• Responsible: VulnCheck
• Reservation: 10/10/2026
• Disclosure: 10/11/2026
• Moderation: accepted
• Entry: VDB-416437
• CPE: 20261011
• CWE: CWE-285 (confirmed)
• CVSS: 4.3 (CNA)
• EPSS: 0.00000
• KEV: no
• Activities: very low

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-108649
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-108649
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-108649/