---
title: "JuggleIM im-server - Authentication Bypass"
description: "JuggleIM im-server through 1.8.16 contains a broken authentication caused by default administrator credentials admin/123456, letting unauthenticated remote attackers access the admin console and control tenant applications, exploit requires no special privileges."
url: https://panop.io/threat-heartbeat/CVE-2026-111329/
---

# CVE-2026-111329 JuggleIM im-server - Authentication Bypass

JuggleIM im-server through 1.8.16 contains a broken authentication caused by default administrator credentials admin/123456, letting unauthenticated remote attackers access the admin console and control tenant applications, exploit requires no special privileges.

CVSS base score 9.8 /10

Critical

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-111329)

## Details

Type

Broken Authentication

Impact

Broken Authentication

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

15 October 2026

Updated

16 October 2026

Weakness

[CWE-1392](https://cwe.mitre.org/data/definitions/1392.html)

## Vendor fix

Update to the latest version that removes default credentials or change default admin credentials immediately.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-111329](https://nvd.nist.gov/vuln/detail/CVE-2026-111329)
- [https://hackmd.io/@hieuPenguinnn/juggleim-im-server-default-admin-credential](https://hackmd.io/@hieuPenguinnn/juggleim-im-server-default-admin-credential)
- [https://www.vulncheck.com/advisories/juggleim-im-server-through-1.8.16-default-admin-credentials-in-admin-console](https://www.vulncheck.com/advisories/juggleim-im-server-through-1.8.16-default-admin-credentials-in-admin-console)
- [https://github.com/juggleim/im-server](https://github.com/juggleim/im-server)
- [https://github.com/juggleim/im-server/blob/v1.8.16/sql/imserver.sql#L988](https://github.com/juggleim/im-server/blob/v1.8.16/sql/imserver.sql#L988)
- [https://github.com/juggleim/imserver-console/blob/v1.0.10/services/accountservice.go#L77-L96](https://github.com/juggleim/imserver-console/blob/v1.0.10/services/accountservice.go#L77-L96)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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