


Perceptive Security
SOC/SIEM Consultancy

Checkmarx KICS GitHub Action Compromised: Malware Injected in All Git Tags
Published:
24 maart 2026 om 14:17:24
Alert date:
24 maart 2026 om 15:05:59
Source:
stepsecurity.io
Supply Chain & Dependencies, Security Tools
The Checkmarx KICS GitHub Action repository has been compromised with malware injected into all release tags. An infostealer payload was embedded in the Checkmarx/kics-github-action repository affecting all version tags. Organizations using this Action pinned to any version tag should immediately treat their CI/CD secrets as compromised. This represents a significant supply chain attack targeting development and security workflows. Immediate secret rotation is required for all affected environments. The compromise affects the popular security scanning tool used in CI/CD pipelines.
Technical details
Mitigation steps:
Affected products:
Checkmarx KICS GitHub Action
Related links:
Related CVE's:
Related threat actors:
IOC's:
This article was created with the assistance of AI technology by Perceptive.
