CVE-2026-5802 idachev CVE debrief

Who should care

Users of idachev mcp-javadc up to 1.2.4 should be aware of this vulnerability and take necessary precautions to prevent exploitation. This includes operators, administrators, and security teams responsible for managing and securing the affected product deployments. They should review the official advisory or CVE record to validate affected scope, severity, and vendor guidance, and plan for vendor-supported updates or mitigations through normal change control where exposure is confirmed.

Technical summary

The vulnerability is caused by improper handling of the jarFilePath argument in the HTTP Interface of idachev mcp-javadc up to 1.2.4, leading to os command injection. An attacker can exploit this vulnerability remotely, and a public exploit is available. The vulnerability has a CVSS score of 5.5 and is considered to be of medium severity. Users should review compensating controls for exposed systems while remediation is scheduled and verified, and check relevant monitoring, detection, and logs for exposed assets that need extra review.

Defensive priority

Medium priority should be given to patching or mitigating this vulnerability, as it is publicly exploitable and has a CVSS score of 5.5. Affected product deployments should be confirmed in managed environments, and owners should be assigned for follow-up. Compensating controls should be reviewed for exposed systems while remediation is scheduled and verified. Monitoring, detection, and logs should be checked for exposed assets that need extra review. Exceptions should be tracked, and remediated assets should be retested and closed only after evidence is documented. Vendor-supported updates or mitigations should be planned through normal change control where exposure is confirmed. The HTTP Interface of idachev mcp-javadc up to 1.2.4 is impacted, leading to os command injection. An attacker can exploit this vulnerability remotely, and a public exploit is available. Users should review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance. They should also track exceptions, retest remediated assets, and close the item only after evidence is documented. The vulnerability is caused by improper handling of the jarFilePath argument in the HTTP Interface of idachev mcp-javadc up to 1.2.4, leading to os command injection. Users of idachev mcp-javadc up to 1.2.4 should be aware of this vulnerability and take necessary precautions to prevent exploitation. They should apply the patch or update to a fixed version of idachev mcp-javadc, restrict access to the HTTP Interface, monitor for suspicious activity, and implement compensating controls to detect and prevent exploitation. The CVE record was published on 2026-04-08T20:16:27.340Z and was last modified on 2026-07-24T09:10:00.153Z. The NVD entry is currently Deferred. The project was informed of the problem early through an issue report but has not responded yet. The vulnerability is publicly exploitable and has a CVSS score of 5.5. Therefore, it is recommended that users review compensating controls for exposed systems while remediation is scheduled and verified. They should also check relevant monitoring, detection, and logs for exposed assets that need extra review. The N2

Recommended defensive actions

• Apply the patch or update to a fixed version of idachev mcp-javadc
• Restrict access to the HTTP Interface
• Monitor for suspicious activity
• Implement compensating controls to detect and prevent exploitation
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-04-08T20:16:27.340Z and was last modified on 2026-07-24T09:10:00.153Z. The NVD entry is currently Deferred. The vulnerability was identified in idachev mcp-javadc up to 1.2.4, which is an unknown function of the component HTTP Interface. The project was informed of the problem early through an issue report but has not responded yet. Users should verify their deployments and review official advisories for affected scope and vendor guidance.

Official resources