CVE-2026-44058 PUBLISHED

Authentication bypass via admin auth user

Assigner: securin
Reserved: 05.05.2026 Published: 21.05.2026 Updated: 21.05.2026

An authentication bypass vulnerability in Netatalk 2.2.2 through 4.4.2 allows a remote privileged user to authenticate as an arbitrary user via the admin auth user mechanism.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 6.4

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Netatalk
Product	Netatalk
Versions	Default: unaffected affected from 2.2.2 to 4.4.2 (incl.) Version 4.5.0 is unaffected

Credits

Arjun Basnet from Securin finder

References

Netatalk Security Advisory CVE-2026-44058

Problem Types

Improper Authentication CWE