CVE-2026-75411 JeecgBoot CVE debrief

Who should care

Users and administrators of JeecgBoot v3.9.2, especially those with exposed or internet-facing deployments, should prioritize patching or mitigating this critical vulnerability to prevent potential remote command execution attacks. This includes reviewing and restricting Groovy script execution in the AI Flow module's CodeNode component and enhancing the SecurityCheck class blacklist mechanism to prevent bypasses. Security teams and vulnerability management teams should also review the affected scope and severity to ensure proper mitigation and remediation efforts are in place. Additionally, operators and platform administrators should be aware of the potential impact and take necessary actions to protect their systems. This may involve coordinating with vendors for patches or updates and implementing compensating controls for exposed systems while remediation is scheduled and verified. Monitoring and detection teams should also review relevant logs for exposed assets that need extra review. Asset inventory and change management processes should be updated to reflect the vulnerability and associated risks. Overall, a coordinated effort is required to address this critical vulnerability and prevent potential attacks. The CVE record indicates that the vulnerability has not been modified since its publication on 2026-08-26T21:16:41.097Z, emphasizing the need for prompt action to mitigate the vulnerability. The vulnerability's high CVSS score of 9.8 underscores its critical nature and the importance of swift remediation. By prioritizing patching or mitigation efforts, affected parties can reduce the risk of remote command execution attacks and protect their systems from potential exploitation. Effective communication and collaboration among stakeholders are crucial to ensuring the vulnerability is properly addressed and the risk is mitigated. This may involve tracking exceptions, retesting remediated assets, and closing the item only after evidence is documented to confirm the vulnerability has been successfully mitigated. By taking a proactive and coordinated approach, organizations can minimize the risk associated with CVE-2026-75411 and maintain the security and

Technical summary

CVE-2026-75411 is a critical vulnerability in JeecgBoot v3.9.2 that allows remote command execution through Groovy script execution in the AI Flow module's CodeNode component. The SecurityCheck class employs a blacklist mechanism to intercept dangerous calls, but Groovy's dynamic nature enables bypassing this blacklist via string concatenation and reflection. This vulnerability has a CVSS score of 9.8 and is considered critical. The vulnerability was published on 2026-08-26T21:16:41.097Z and has not been modified since then.

Defensive priority

Critical vulnerability in JeecgBoot v3.9.2, allowing remote command execution via Groovy script execution in the AI Flow module's CodeNode component.

Recommended defensive actions

• Inventory and verify JeecgBoot v3.9.2 usage and exposure
• Apply vendor patches or updates if available
• Implement compensating controls such as network restrictions or monitoring
• Review and restrict Groovy script execution in AI Flow module's CodeNode component
• Enhance SecurityCheck class blacklist mechanism to prevent bypasses

Evidence notes

The CVE-2026-75411 record indicates JeecgBoot v3.9.2 is vulnerable to remote command execution through Groovy script execution in the AI Flow module's CodeNode component. The SecurityCheck class uses a blacklist mechanism, but it can be bypassed via string concatenation and reflection due to Groovy's dynamic nature. Official CVE Program and NVD records provide details.

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.