CVE-2026-111329 juggleim CVE debrief

Who should care

System administrators and security teams responsible for JuggleIM im-server deployments should verify and remediate default admin credentials, restrict access to the admin console, and monitor for unauthorized access attempts to prevent potential security breaches.

Why it matters

CVE-2026-111329 JuggleIM im-server through 1.8.16 has default administrator credentials, allowing unauthenticated remote attackers to access the admin console. System administrators and security teams should verify and remediate default admin credentials, restrict access to the admin console, and monitor for unauthorized access attempts.

• Potential unauthorized access to admin console
• Possible control of tenant applications and app secrets
• Required verification of affected versions and remediation of default credentials
• Need for monitoring and restricting access to port 8090

Technical summary

JuggleIM im-server through 1.8.16 ships with default administrator credentials (admin/123456) that allow unauthenticated remote attackers to access the admin console on port 8090. Attackers can log in as administrator, even after account deletion since CheckLogin recreates it, to control tenant applications and app secrets. System administrators and security teams should verify and remediate default admin credentials, restrict access to the admin console, and monitor for unauthorized access attempts to prevent potential unauthorized access to admin console, possible control of tenant applications and app secrets.

Defensive priority

High priority for immediate verification and remediation due to publicly exposed admin console and default credentials.

Recommended defensive actions

• Verify and remediate default admin credentials for JuggleIM im-server version 1.8.16 and earlier
• Restrict access to the admin console on port 8090
• Monitor for unauthorized access 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
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

Official CVE Program record and NVD vulnerability detail provide baseline information. Supplemental sources provide additional context on affected versions and potential exploitation. The CVE record was published on 2026-10-15T21:43:33.035Z and has not been modified since then. No additional information is available on exploitation or affected systems.

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.