What is CVE-2026-44055?

CVE-2026-44055 is a high-severity vulnerability in Netatalk, classified under OS Command Injection. CVSS score: 7.5/10. Published 2026-05-21.

How severe is CVE-2026-44055?

High severity. CVSS v3 base score is 7.5 out of 10.

RCE in Netatalk

CVE-2026-44055

A logic error involving bitwise OR operations in Netatalk 3.1.4 through 4.4.2 allows a remote authenticated attacker to inject OS commands and execute arbitrary code.

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.003 (49.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Netatalk — versions 3.1.4, 4.4.3

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

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

Frequently asked questions

What is CVE-2026-44055?: CVE-2026-44055 is a high-severity vulnerability in Netatalk, classified under OS Command Injection. CVSS score: 7.5/10. Published 2026-05-21.
How severe is CVE-2026-44055?: High severity. CVSS v3 base score is 7.5 out of 10.