CVE-2026-44055
Deferred Deferred - Pending Action
Bitwise Logic Bug Enables Shell Injection in Netatalk

Publication date: 2026-05-21

Last updated on: 2026-05-21

Assigner: securin

Description
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.
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Meta Information
Published
2026-05-21
Last Modified
2026-05-21
Generated
2026-06-10
AI Q&A
2026-05-21
EPSS Evaluated
2026-06-09
NVD
CVE-2026-44055
EUVD
EUVD-2026-31230
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
netatalk netatalk 4.4.3
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-78 The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
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Executive Summary

This vulnerability exists in Netatalk versions 3.1.4 through 4.4.2 and is caused by a bitwise or logic bug that enables shell injection. This means that due to improper handling of certain operations in the code, an attacker could inject and execute arbitrary shell commands on the affected system.

The issue was fixed in version 4.4.3 of Netatalk.

Impact Analysis

The vulnerability has a CVSS v3.1 base score of 7.5, indicating a high severity. It allows remote attackers with low privileges to execute arbitrary shell commands without user interaction.

  • Confidentiality impact: High - attackers can access sensitive data.
  • Integrity impact: High - attackers can modify or corrupt data.
  • Availability impact: High - attackers can disrupt system availability.
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