Vulnerability · Published Oct 11, 2026 · Assigned by VulnCheck
CVE-2026-108870JeecgBoot through 3.9.5 Missing Authorization via POST /sys/role/datarule
Medium 5.4
In plain English
A medium-severity missing authorization in JeecgBoot from jeecgboot. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 93.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
References
- Researcher Proof of Concept exploit
- Vulnerable Code (v3.9.5) technical-description
- VulnCheck Advisory: JeecgBoot through 3.9.5 Missing Authorization via POST /sys/role/datarule third-party-advisory