CVE-2026-108882

MEDIUM 5.4

JeecgBoot through 3.9.5 Missing Authorization via /sys/position/removePositionUser

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysPositionController removeUserPosition handler that allows any authenticated user to remove position members. Low-privileged attackers can send DELETE requests with arbitrary userIds and positionId values to delete sys_user_position rows, detaching users from positions without logging.

CWE	CWE-862
Vendor	jeecgboot
Product	jeecgboot
Published	Oct 11, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

Low

Affected Versions

jeecgboot / JeecgBoot

0 ≤ 3.9.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_c324_sys_position_remove_user.py github.com: https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysPositionController.java#L400-L405 vulncheck.com: https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-sys-position-removepositionuser

Credits

Yaqi Chao