CVE-2026-45413 PUBLISHED

MaxKB: Unsalted MD5 Password Hashing

Assigner: GitHub_M
Reserved: 12.05.2026 Published: 26.05.2026 Updated: 27.05.2026

MaxKB is an open-source AI assistant for enterprise. Prior to 2.9.1, user passwords are stored using unsalted MD5 hashes, making them trivially crackable via rainbow tables or GPU-accelerated brute force (hashcat). This vulnerability is fixed in 2.9.1.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	1Panel-dev
Product	MaxKB
Versions	Version < 2.9.1 is affected

References

https://github.com/1Panel-dev/MaxKB/security/advisories/GHSA-2m4c-mcq5-q8xq

Problem Types

CWE-328: Use of Weak Hash CWE