CVE-2026-108891
JeecgBoot through 3.9.5 Missing Authorization via /sys/user/getUserDetailByUserId
jeecgboot JeecgBoot
CVSS
5.3MediumExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 18 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.19%Chance of exploitation activity in the next 30 days, higher than 8% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysUserController getUserDetailByUserId handler that allows any authenticated user to read other users' details. Low-privileged attackers can supply arbitrary userId values to retrieve real names, usernames, emails, phone numbers, birthdays, employee numbers, department paths and posts.
Text from CVE List
Affected versions 1
- JeecgBootaffected: all versions through 3.9.5CVE List
References 3
- vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-user-getuserdetailbyuseridAdvisoryvia CVE List
- github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_sys_user_detail_by_user_id.pyExploitvia CVE List
- github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysUserController.java#L1034-L1047Referencevia CVE List