Build-system compromise incidents
4 confirmed incidents involving the build-system-compromise technique.
- containedcritical
Coordinated AsyncAPI Supply Chain Attack: Miasma RAT Delivered via Compromised CI/CD Pipelines in Two Repositories
Three AsyncAPI npm packages were compromised on July 14, 2026 and published with malicious code (Miasma RAT dropper) via a compromised CI/CD pipeline. The attacker gained push access to the repository's next branch, allowing them to use the legitimate GitHub Actions release workflow to publish malicious versions with valid npm OIDC provenance attestations.
MiasmanpmOtherBuild-system compromiseMalicious commit - containedhigh
M-Red-Team: AsyncAPI Supply Chain Compromise via GitHub Actions
M-Red-Team compromised AsyncAPI npm packages via GitHub Actions, injecting malicious code into the supply chain. The attack leveraged build system access to distribute compromised packages to downstream consumers.
M Red TeamnpmOtherCompromised packageBuild-system compromise - activecritical
TeamPCP's Mini Shai-Hulud Is Back: A Self-Spreading Supply Chain Attack Compromises TanStack npm Packages
The Mini Shai-Hulud worm is actively compromising legitimate npm packages by hijacking CI/CD pipelines and stealing developer secrets. The attack was first detected by StepSecurity in official @tanstack packages and is spreading across the npm ecosystem in real time.
TeamPCPMini Shai HuludnpmOtherCompromised packageBuild-system compromise - activecritical
Shai-Hulud Worm Pivots to Multi-Cloud: intercom-client@7.0.4 Hijacked — 361,000 Weekly Downloads, AWS, GCP, and Azure Credentials Now in Scope
The Shai-Hulud worm has hijacked intercom-client@7.0.4 (361,510 weekly downloads) via a compromised GitHub Actions OIDC publishing pipeline, 29 hours after compromising mbt@1.2.48 and @cap-js/sqlite@2.2.2. The worm is actively propagating through CI/CD infrastructure stolen from earlier victims, targeting multi-cloud credentials (AWS, GCP, Azure).
Shai-HuludnpmOtherCompromised packageBuild-system compromiseAccount takeover