lightning PyPI Compromise: A Bun-Based Credential Stealer in Python

2026-05-02T20:52:02Zb1c7f57153a7f48e7b7307bbb6a9a302aabfa372e59c03ec7a8745adacf8a0f0
CVE-2026-40478buncap-jsci-cdcloud-credentialscredential-stealerdbtdependency-managementelementary-datagitHub-actionsincident-responselightningmbtmini-shai-huludnpmpatchingpypisapsnykssh-keyssupply-chaintemplate-injectionthymeleaf

What happened

Multiple supply-chain incidents and a critical template-injection advisory: malicious PyPI releases (lightning and elementary-data) and a Bun-based npm stealer (self-branded “Mini Shai‑Hulud” hitting SAP packages including @cap-js and mbt) deliver credential‑stealing payloads that run on import or via compromised CI (GitHub Actions). Targets include dbt profiles, cloud provider keys, and SSH secrets; immediate actions: remove affected package versions, rotate/revoke exposed credentials, audit CI scripts and package release pipelines, rebuild images/artifacts, and scan environments for IOCs. In

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
snyk_blog
Record identifier
b1c7f57153a7f48e7b7307bbb6a9a302aabfa372e59c03ec7a8745adacf8a0f0
Enrichment time
2026-05-02T20:52:02Z
AI-assisted enrichment
Yes

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