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.

Attack Vector Network

Attack Complexity High

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00222.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
juggleim JuggleIM unaffected
Version Status Constraints
0 affected ≤ 1.8.16

No data.

No data.

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Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/juggleim/im-server cve-icon cve-icon
https://github.com/juggleim/im-server/blob/v1.8.16/sql/imserver.sql#L3-L15 cve-icon cve-icon
https://github.com/juggleim/imserver-console/blob/v1.0.10/services/accountservice.go#L95 cve-icon cve-icon
https://hackmd.io/@hieuPenguinnn/juggleim-im-server-default-admin-credential cve-icon cve-icon
https://www.vulncheck.com/advisories/juggleim-im-server-through-1.8.16-weak-password-hashing-via-unsalted-sha-1 cve-icon cve-icon
History

Fri, 16 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 15 Oct 2026 22:00:00 +0000

Type Values Removed Values Added
Description 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.
Title JuggleIM im-server through 1.8.16 Weak Password Hashing via Unsalted SHA-1
Weaknesses CWE-916
References
Metrics cvssV3_1

{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-16T17:08:47.183Z

Reserved: 2026-10-15T20:43:58.405Z

Link: CVE-2026-111330

cve-icon Vulnrichment

Updated: 2026-10-16T16:31:38.631Z

cve-icon NVD

Status : Deferred

Published: 2026-10-15T22:19:31.210

Modified: 2026-10-16T18:25:45.343

Link: CVE-2026-111330

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T16:15:07Z

Weaknesses