Default Administrator Credentials in JuggleIM im-server by JuggleIM
CVE-2026-111329

9.3CRITICAL

Key Information:

Vendor

Juggleim

Status
Juggleim
Vendor
CVE Published:
15 October 2026

What is CVE-2026-111329?

The JuggleIM im-server, up to version 1.8.16, contains a significant security flaw where it is delivered with default administrator credentials (username: admin, password: 123456). This weakness enables unauthorized remote attackers to gain access to the admin console located at port 8090. Even if an administrator account is deleted, the system can recreate it, allowing attackers continued access to control various tenant applications and their secrets, posing a severe risk to data integrity and confidentiality.

Affected Version(s)

JuggleIM 0 <= 1.8.16

References

https://hackmd.io/@hieuPenguinnn/juggleim-im-server-defau...
third-party-advisory
https://github.com/juggleim/im-server/blob/v1.8.16/sql/im...
technical-description
https://github.com/juggleim/imserver-console/blob/v1.0.10...
technical-description

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

hieuPenguinnn
.