lightning PyPI Compromise: A Bun-Based Credential Stealer in Python
2026-04-30T20:52:11Z•9a502e054c2ddd63a27deb6f0806dc40e04579e0f5a524011fb79fab77359896
CVE-2026-40478GitHub-ActionsPyPISAPSnyk-advisoryThymeleafbuncap-jscloud-credentialscredential-stealerdbtmalicious-releasembtnpmrotate-credentialsssh-keyssupply-chaintemplate-injection
What happened
Multiple Snyk advisories describe active supply‑chain attacks and a high‑severity template injection: (1) A malicious PyPI release of the lightning package contains a Bun‑based credential stealer that executes on import; (2) a related “Mini Shai‑Hulud” npm campaign (compromised SAP ecosystem packages including @cap-js and mbt) uses Bun‑based stealers; (3) a malicious release of elementary-data (PyPI v0.23.3) was published via a GitHub Actions script injection and exfiltrates dbt profiles, cloud provider keys and SSH secrets; (4) Thymeleaf template injection (CVE-2026-40478, CVSS 9.1) is high‑/
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- snyk_blog
- Record identifier
- 9a502e054c2ddd63a27deb6f0806dc40e04579e0f5a524011fb79fab77359896
- Enrichment time
- 2026-04-30T20:52:11Z
- AI-assisted enrichment
- Yes
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