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mastraMAL-2026-5997

Malicious code in @mastra/agent-builder (npm)

UnratedPublished Jun 17, 2026 · updated Jul 9, 2026

Source advisory

Affected versions

PackageAffectedFixed in
@mastra/agent-builder
npm
<= 1.0.42No fix yet
Details and references

--- _-= Per source details. Do not edit below this line.=-_ ## Source: amazon-inspector (461931843783efc9abfdb7558cef5fa0e33ee3a66cd3f426490fe26fa12ab04a) The package was found to contain malicious code or consuming dependency that contains malicious code ## Source: ghsa-malware (ae994313e5437ca5d75c06e9b875363f20ef1a07c282e7d24dddf1d85dec90d9) Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Severity from
no source yet
Also known as
GHSA-hj75-mc88-g6xc

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