CVE-2026-44055
Received
Received - Intake
Bitwise Logic Bug Enables Shell Injection in Netatalk
Publication date: 2026-05-21
Last updated on: 2026-05-21
Assigner: securin
Description
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.
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| netatalk | netatalk | 4.4.3 |
Helpful Resources
Exploitability
CWE
KEV
| 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
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.
How can this vulnerability impact me? :
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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