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Supply ChainNov 2, 2026

Hackers Target 61 GitHub Repositories With Command Injection Attacks to Steal CI/CD Secrets

Hackers targeted 61 GitHub repos with command injection to steal CI/CD secrets.

A coordinated campaign targeted 61 public GitHub repositories using command injection attacks within GitHub Actions workflows to steal CI/CD secrets. Attackers posted malicious issues, pull requests, and comments containing Bash command substitution expressions, which were executed by vulnerable workflows. While Radware researchers did not confirm stolen secrets, the attack exploited a common vulnerability in how user-controlled text is handled in shell scripts, highlighting risks to software build systems.

AI summary of the linked source. Not reviewed by an editor. How this works

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The lesson from this incident

Full lesson

Attackers exploited a widespread misconfiguration in GitHub Actions workflows where user-controlled input—such as issue titles, pull request bodies, and comments—was passed directly into shell scripts without sanitization, enabling command injection. This campaign targeted 61 public repositories, demonstrating that insecure CI/CD pipeline design is a systemic, not isolated, problem. The attack vector is particularly dangerous because CI/CD environments often hold highly privileged secrets such as API keys, deployment credentials, and cloud access tokens. Compromising these secrets can cascade into full supply chain attacks, potentially affecting downstream users of the targeted software.

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Indicators of Compromise

Extracted by AI from the linked source. Not reviewed by an editor. How this works

  • ip — 54.205.16.142
  • mitre_attack — T1059.004
  • mitre_attack — T1552.001

Entities

GitHub Actions (product)GitHub (vendor)Radware (vendor)Google LangExtract (product)Trivy (product)Brave Browser (product)