CVE-2026-111330

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.

CVSS 4.0

8.2CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

5.9CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.2% chance of exploitation in the next 30 days; higher than 12% of CVEs (scores of 2026-10-25)

CWE

CWE-916

Published

2026-10-15

Modified

2026-10-16

Record from

the NVD, synced 2026-10-19

References

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

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