CVE-2026-9604: JeecgBoot AiragModelController access control
A vulnerability was detected in JeecgBoot up to 3.9.1. This vulnerability affects unknown code of the component AiragModelController. The manipulation of the argument list/queryById results in improper access controls. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 3.9.2 is able to resolve this issue. The affected component should be upgraded.
JeecgBoot contains an access-control flaw in AiragModelController that may let a low-privileged remote user access model-related data they should not see. The public sources rate it medium severity and say a public exploit exists. No source in the bundle confirms active exploitation.
Executive priority
Schedule remediation promptly, especially for externally reachable or multi-tenant JeecgBoot systems. This is not currently supported as active exploitation, but public exploit availability increases operational urgency.
Technical view
CVE-2026-9604 affects JeecgBoot AiragModelController, specifically argument handling around list/queryById, resulting in improper access control. CVSS 4.0 is 5.3 with network reachability, low attack complexity, required privileges, and low confidentiality impact. Sources state JeecgBoot up to 3.9.1 is affected and 3.9.2 resolves it.
Likely exposure
Exposure is most likely in JeecgBoot deployments where AiragModelController routes are reachable by authenticated low-privileged users. The bundle does not support unauthenticated exposure, privilege escalation, integrity impact, or availability impact.
Exploitation context
The source bundle states the exploit is public and may be used, but KEV is false and no cited source confirms exploitation in the wild. Treat this as a validation and patching priority for internet-facing or multi-tenant JeecgBoot environments.
Researcher notes
The bundle has limited implementation detail and an affected-version inconsistency: the description says up to 3.9.1 is affected and 3.9.2 fixes it, while the affected list includes 3.9.2. Validate against the vendor release and issue before reporting final exposure counts.
Mitigation direction
Upgrade JeecgBoot deployments to version 3.9.2 where applicable.
Review vendor release notes and issue 9599 for affected-version clarification.
Restrict AiragModelController access to explicitly authorized roles.
Monitor logs for unexpected access to list or queryById model routes.
Prioritize externally reachable and multi-user JeecgBoot instances first.
Validation and detection
Inventory JeecgBoot versions across production, staging, and exposed development systems.
Identify whether AiragModelController routes are enabled and reachable.
Confirm low-privileged users cannot access unauthorized model records.
Check application logs for unusual requests to list or queryById endpoints.
Verify upgraded systems report JeecgBoot 3.9.2 or later.
Based on public source material and reviewed before publication.
Potential ATT&CK relevance
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CWE-284: Authorization and privilege behavior lookup
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