---
id: CVE-2026-111330
title: JuggleIM im-server through 1.8.16 Weak Password Hashing via Unsalted SHA-1
summary: >-
  JuggleIM im-server through 1.8.16 contains a weak password hashing
  vulnerability that stores admin console passwords as unsalted SHA-1 digests
  via tools.SHA1 in services/accountservice.go. Attackers who obtain the
  accounts table through …
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-916
vendor: juggleim
product: JuggleIM
affected:
  - JuggleIM <= 1.8.16
published: '2026-10-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T21:43:33.735Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111330'
references:
  - url: >-
      https://hackmd.io/@hieuPenguinnn/juggleim-im-server-default-admin-credential
  - url: >-
      https://github.com/juggleim/imserver-console/blob/v1.0.10/services/accountservice.go#L95
  - url: 'https://github.com/juggleim/im-server/blob/v1.8.16/sql/imserver.sql#L3-L15'
  - url: 'https://github.com/juggleim/im-server'
  - url: >-
      https://www.vulncheck.com/advisories/juggleim-im-server-through-1.8.16-weak-password-hashing-via-unsalted-sha-1
    label: >-
      VulnCheck Advisory: JuggleIM im-server through 1.8.16 Weak Password
      Hashing via Unsalted SHA-1
tags:
  - cve.org
ingestedAt: '2026-10-15T22:48:25.452Z'
---

## Overview

JuggleIM im-server through 1.8.16 contains a weak password hashing vulnerability that stores admin console passwords as unsalted SHA-1 digests via tools.SHA1 in services/accountservice.go. Attackers who obtain the accounts table through database access or backups can crack console passwords using precomputed tables or GPU brute force.

## Affected

- `JuggleIM <= 1.8.16`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.