What’s Vulnerable › Vulnerabilities

CVE-2026-108649: JeecgBoot through 3.9.5 Missing Authorization via /sys/api/queryUserRolesById

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-10 · updated 2026-10-13
• Weakness: CWE-862

Description

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.

Affected products

• JeecgBoot: through 3.9.5

References

• https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_sys_api_user_roles_by_id.py
• https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/api/controller/SystemApiController.java#L482-L485
• https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-api-queryuserrolesbyid

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