SQL Injection in Netatalk MySQL CNID Backend

An SQL injection vulnerability in the MySQL CNID backend in Netatalk 3.1.0 through 4.4.2 allows a remote authenticated attacker to obtain unauthorized access to data, modify data, or cause a denial of service.

Casky was already ahead

This CVE exploits attack patterns that Casky's 301matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

Netatalk is a widely-deployed file sharing protocol implementation used in networked environments, particularly in macOS and Linux systems. This SQL injection vulnerability (CWE-89) affects versions 3.1.0 through 4.4.2 and allows authenticated attackers to execute arbitrary SQL commands through the MySQL CNID (Catalog Node ID) backend. The impact is severe—attackers can extract sensitive data, modify database records, or trigger denial of service conditions. Organizations running affected Netatalk versions for file sharing, backup systems, or network storage are at risk, especially in mixed-OS environments where Netatalk bridges macOS and Linux systems.

Casky's 301 mapped skills detect this vulnerability through Claude's analysis of attack patterns aligned with MITRE ATT&CK techniques TA0001 (Initial Access) and TA0043 (Reconnaissance). Practitioners using Casky will see findings correlating SQL query anomalies, unusual database authentication patterns, and crafted input sequences targeting the CNID backend. The platform's extended reasoning identifies how authenticated users exploit improper input sanitization in SQL statement construction—flagging suspicious parameterized queries, string concatenation in database calls, and error responses leaking database schema information. Security teams gain visibility into the reconnaissance phase (TA0043) where attackers probe CNID endpoints, and the exploitation phase (TA0001) where malicious SQL payloads establish initial access, enabling rapid detection and response before data exfiltration occurs.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

301 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-44047.

analyzing-apt-group-with-mitre-navigator

threat intelligence · low

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analyzing-campaign-attribution-evidence

threat intelligence · low

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analyzing-certificate-transparency-for-phishing

threat intelligence · low

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MITRE ATT&CK Techniques

TA0001 TA0043

Investigate the attack patterns behind CVE-2026-44047

Casky has 301 skills that investigate the attack patterns behind CVE-2026-44047. Run one and get CVSS-scored findings in 3 minutes.

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