Wire · technology
Attackers Weaponize GitHub Actions Runners to Target cPanel and WHM Servers
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Fusion42 · 23 July 2026 · Fusion42 review
Attackers compromised ten PHP packages on Packagist by injecting malicious GitHub Actions workflows that turn GitHub runners into distributed attack infrastructure targeting cPanel and WHM servers via CVE-2026-41940, harvesting credentials and secrets at scale.
This Wire brief sits within Fusion42's coverage of Cybersecurity, Developer Tools and Cloud Infrastructure.
◆ ◆ The Wire takeaway
If you ship code that pulls dependencies from Packagist or runs GitHub Actions workflows, your build pipeline just became an attack vector that doesn't belong to you. Audit your action permissions this week and lock down secrets rotation—GitHub runners now need to be treated as untrusted compute.
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1 source · 23 Jul 2026
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