GitHub Advisory malware sweep, 30 September 2026
GHSA 2026-09-29 (late) + 2026-09-30: 27 new advisories - 25 npm + 2 pip. Cluster A is a fresh EtherHiding sample (tailwind-forms-kit, ETH wallet 0xa322E5...63e1a) on Ethereum mainnet RPCs. Cluster B extends the chinazhangsan.ccwu.cc service-worker hijack family (web-vitals-polyfill-core-v1) using DoH lookups. Cluster C is a pip GitHub-Actions worm (bfox-build-utils) that self-installs .github/workflows/ci-health-check.yml. Clusters D-J are single-package droppers, stealers, and canaries; Cluster K is 15 CWE-506 boilerplate takedowns with no analysis.