CVE-2026-108640 jeecgboot CVE debrief

Who should care

Defenders and administrators of systems using JeecgBoot through 3.9.5 should assess exposure and prioritize remediation, especially in systems where low-privileged users have access to sensitive information.

Why it matters

CVE-2026-108640 is a missing authorization vulnerability in JeecgBoot through 3.9.5 that allows low-privileged authenticated attackers to read sensitive information. Defenders should prioritize verifying and remediating this vulnerability, especially in systems where low-privileged users have access to sensitive information.

• Potential unauthorized access to sensitive information
• Possible data breaches or leaks
• Need for verification of system configurations and user access controls
• Potential for lateral movement or escalation of privileges

Technical summary

The SysDepartRoleController queryById handler in JeecgBoot through 3.9.5 lacks Shiro permission annotations, allowing low-privileged authenticated attackers to read department role names, codes, descriptions, and audit fields. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. The affected product is JeecgBoot through 3.9.5, and the vulnerability class is missing authorization. Defenders should prioritize verifying and remediating this vulnerability, especially in systems where low-privileged users have access to sensitive information.

Defensive priority

Defenders should prioritize verifying and remediating this vulnerability, especially in systems where low-privileged users have access to sensitive information.

Recommended defensive actions

• Verify the version of JeecgBoot being used and assess exposure
• Restrict access to the SysDepartRoleController queryById handler
• Implement proper authorization and authentication mechanisms
• Monitor for potential exploitation attempts
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record and NVD entry provide details about the vulnerability, but additional information from the vendor and other sources may be necessary to fully understand the impact and remediation. The vulnerability is caused by a missing Shiro permission annotation in the SysDepartRoleController queryById handler. The CVE Program record and NVD entry provide source-provided CVE metadata and official vulnerability assessment. However, defenders should verify the affected scope, severity, and vendor guidance to prioritize remediation.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.