What is CVE-2026-44073?

CVE-2026-44073 is a medium-severity vulnerability in Netatalk, classified under Improper Check for Dropped Privileges. CVSS score: 5.0/10. Published 2026-05-21.

How severe is CVE-2026-44073?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Vulnerability in Netatalk

CVE-2026-44073

Authentication modules in Netatalk 1.5.0 through 4.4.2 fail to check the return value of seteuid(), which may allow a remote authenticated attacker to retain elevated privileges under error conditions.

Published 2026-05-21 · last modified 2026-07-23.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (21.8th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Netatalk — versions 1.5.0, 4.5.0

Weakness classification (CWE)

CWE-273 — Improper Check for Dropped Privileges

References

33c584b5-0579-4c06-b2a0-8d8329fcab9c (vendor-advisory)

Frequently asked questions

What is CVE-2026-44073?: CVE-2026-44073 is a medium-severity vulnerability in Netatalk, classified under Improper Check for Dropped Privileges. CVSS score: 5.0/10. Published 2026-05-21.
How severe is CVE-2026-44073?: Medium severity. CVSS v3 base score is 5.0 out of 10.