Review reviewHigh

CVE-2026-44058

Netatalk

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.

CVSS
7.2
EPSS
0.53%
41.9% percentile
CISA KEV
Not listed
Published
2026.05.21
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.53%
Technical severityCVSS 7.2

Vulnerability overview

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.

Affected product and versions

Product
Netatalk
Affected versions
>= 2.2.2 <= 4.4.2
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Netatalk and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-287
CVE-2026-44058 — Netatalk | SECUFOCUS NOW