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Mini Shai-Hulud Worm Compromises TanStack, Mistral AI, Guardrails AI & More Pack

BACKGROUND
1 SIGNALFIRST DETECTED 12 May 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
Other feeds and industry voices
12 May
Shai Hulud attack ships signed malicious TanStack, Mistral npm packages

Hundreds of packages across npm and PyPI have been compromised in a new Shai-Hulud supply-chain campaign delivering credential-stealing malware targeting developers. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
19 May
Mini Shai-Hulud Pushes Malicious AntV npm Packages via Compromised Maintainer Account

Cybersecurity researchers have discovered a fresh software supply chain attack campaign that has compromised various npm packages associated with the @antv ecosystem as part of

REPORT · HOW · The Hacker NewsOPEN STORY
19 May
The attacks are part of a wider campaign known as Mini Shai-Hulud, which has already compromised several open source projects and, in turn, developers and companies that use them.

The attacks are part of a wider campaign known as Mini Shai-Hulud, which has already compromised several open source projects and, in turn, developers and companies that use them.

OPINION · WHAT · TechCrunchOPEN STORY
14 May
OpenAI confirms security breach in TanStack supply chain attack

OpenAI says two employees' devices were breached in the recent TanStack supply chain attack that impacted hundreds of npm and PyPI packages, causing the company to rotate

REPORT · WHO · BleepingComputerOPEN STORY
16 Sept
Attacker Hijacks AI Coding Assistant Session, Spreads Shai-Hulud Across About 100 Repositories

Mandiant says an attacker hijacked an active AI coding-assistant session at an unnamed software-as-a-service provider and later spread Shai-Hulud across about 100

REPORT · WHO · The Hacker NewsOPEN STORY
26 Sept
GitHub Actions re-enabled with Mini Shai-Hulud payload still active

Two third-party GitHub Actions previously compromised in a Mini Shai-Hulud campaign were re-enabled by their maintainer and remained accessible for more than a week despite still

REPORT · WHAT · BleepingComputerOPEN STORY
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