---
id: CVE-2026-108870
title: >-
  JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the
  SysRoleController saveDatarule handler that allows low-privileged
  authenticated users to modify role data rules
summary: >-
  JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the
  SysRoleController saveDatarule handler that allows low-privileged
  authenticated users to modify role data rules. Attackers can send
  permissionId, roleId and da…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N'
cwe:
  - CWE-862
published: '2026-10-11'
updated: '2026-10-11'
sourceUpdated: '2026-10-11T15:16:53.643'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-108870'
references:
  - url: >-
      https://github.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/JeecgBoot/poc_role_datarule_write.py
    label: disclosure@vulncheck.com
  - url: >-
      https://github.com/jeecgboot/JeecgBoot/blob/e3b9dc0aefe1943d9772b026f64ed671a7c82802/jeecg-boot/jeecg-module-system/jeecg-system-biz/src/main/java/org/jeecg/modules/system/controller/SysRoleController.java#L475-L500
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/jeecgboot-through-3.9.5-missing-authorization-via-post-sys-role-datarule
    label: disclosure@vulncheck.com
tags:
  - nvd
ingestedAt: '2026-10-12T14:50:34.056Z'
---

## Overview

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SysRoleController saveDatarule handler that allows low-privileged authenticated users to modify role data rules. Attackers can send permissionId, roleId and dataRuleIds to overwrite data_rule_ids, clearing row-level filters to widen readable records or altering filtering for other roles.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.