JeecgBoot up to 3.9.5 SystemApiController getUserRoleSetById userId improper authorization

Summaryinfo

A vulnerability, which was classified as problematic, has been found in JeecgBoot up to 3.9.5. The affected element is the function getUserRoleSetById of the component SystemApiController. Performing a manipulation of the argument userId results in improper authorization. This vulnerability is reported as CVE-2026-108867. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in JeecgBoot up to 3.9.5. It has been classified as problematic. This affects the function getUserRoleSetById of the component SystemApiController. The manipulation of the argument userId with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality. The summary by CVE is:

JeecgBoot through 3.9.5 contains a missing authorization vulnerability in the SystemApiController getUserRoleSetById handler that allows any authenticated user to read other users' role assignments. Low-privileged attackers can supply an arbitrary userId parameter to retrieve assigned role codes and identify administrator accounts without the system:user:queryUserRole permission.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-108867 since 10/11/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/11/2026). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

• JeecgBoot

Version

• 3.9.0
• 3.9.1
• 3.9.2
• 3.9.3
• 3.9.4
• 3.9.5

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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