Supply Chain Attack Targets Checkmarx Software Packages

Supply Chain Attack Targets Checkmarx Software Packages

The Israel National Cyber Directorate (INCD) has issued an alert regarding a supply chain attack that compromised several software packages maintained by Checkmarx. Malicious code was reportedly injected into these packages. Organizations are strongly advised to verify that they are not utilizing the compromised versions of these software packages and should exclusively use legitimate versions released by Checkmarx.

If your organization used the affected software packages during the period of compromise, additional mitigation steps are required. The INCD directs users to consult the “Mitigation Strategies” and “Immediate Actions” sections within their original advisory for detailed guidance. The National Cyber Directorate will provide updates to this alert as necessary.


Attached Files:

What This Means For You

  • Verify the integrity of all third-party software dependencies and immediately update or replace any identified as compromised, following vendor-provided remediation guidance.

Related ATT&CK Techniques

🛡️ Detection Rules

3 rules · 6 SIEM formats

3 detection rules mapped to MITRE ATT&CK. Free Sigma YAML below.

medium T1195 Initial Access

Suspicious Download of Checkmarx Related Software Packages

Sigma YAML — free preview

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
INCD Alert Supply Chain Attack Compromised Checkmarx Software Packages
Source & Attribution
Source PlatformINCD
ChannelIsrael National Cyber Directorate
Channel IDincd
Message ID1991
PublishedApril 23, 2026 at 15:00 UTC
Original Linkhttps://www.gov.il/he/pages/alert_1991

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