Malicious node-ipc versions published to npm in suspected maintainer account compromise
2026-05-18T08:52:01Z•6a950f7be7ba3d3acf3e8e5e3833b5bcc720b8760fe613453e113346df714431
CVE-2026-40478advisorycache-poisoningcredential-theftgithub-actionsincident-responsemalicious-packagemini-shai-huludnode-ipcnpmoidc-token-extractionpwn-requestpypirotate-credentialsslsasupply-chaintanstackthymeleaf
What happened
Multiple high-impact package supply-chain incidents reported in May 2026: malicious node-ipc versions were published to npm (May 14–15); the “Mini Shai-Hulud” campaign compromised 84 npm artifacts across 42 @tanstack/* (and other) packages via a chained GitHub Actions “Pwn Request,” cache poisoning, and OIDC token extraction from runner memory—producing packages with valid SLSA Build Level 3 attestations (May 11); a malicious PyPI release of lightning contained a Bun-based credential stealer that executes on import; and a separate high-severity Thymeleaf template-injection vulnerability (CVE-
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- snyk_blog
- Record identifier
- 6a950f7be7ba3d3acf3e8e5e3833b5bcc720b8760fe613453e113346df714431
- Enrichment time
- 2026-05-18T08:52:01Z
- AI-assisted enrichment
- Yes
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