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Expand Up @@ -13,14 +13,14 @@ This page lists security advisories that may affect Mistral SDKs, packages, or d

<SectionTab as="h2" sectionId="tanstack-supply-chain-attack">Mini Shai-Hulud supply chain attack affecting Mistral AI SDK packages</SectionTab>

**Reference:** MAI-2026-002
**Status:** Mitigated
**Published:** May 12, 2026
**Reference:** MAI-2026-002
**Status:** Investigation closed
**Published:** May 12, 2026
**Impact:** Potential risk to systems that installed affected packages

Mistral was impacted by a supply chain attack caused by the compromission of [TanStack, a third-party software](https://socket.dev/blog/tanstack-npm-packages-compromised-mini-shai-hulud-supply-chain-attack). An automated worm associated with the attack led to **compromised NPM and PyPI SDKs versions being published**.

An affected developer device was involved. Forensics investigation showed that Mistral infrastructure was not compromised.
Investigation indicates that an affected developer device was involved, with no impact on Mistral global infrastructure.

:::info
The compromised npm packages were uploaded on May 11, 2026 at 22\:45 UTC and removed on May 12, 2026 at 01\:53 UTC. The compromised PyPI release was uploaded on May 12, 2026 at 00\:05 UTC and has been removed on May 12, 2026 at 03\:05 UTC. **Previous versions are not affected by this advisory.**
Expand Down Expand Up @@ -122,6 +122,7 @@ Look for any of the following files

<SectionTab as="h2" sectionId="changelog">Changelog</SectionTab>

- 14/05/2026: Investigation closed
- 14/05/2026 - 09\:55 UTC\: Update advisory with latest information.
- 13/05/2026 - 09\:00 UTC\: Incident is mitigated.
- 12/05/2026 - 14\:11 UTC\: Updated the severity of compromised NPM packages following our internal findings