KINWILDER

UNC6426

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reference profile · reported nexus: Unknown (not nationality)

UNC6426 exploited a supply chain compromise of the nx npm package to steal a developer's GitHub Personal Access Token and gain access to a victim's cloud environment. They abused the GitHub-to-AWS OpenID Connect trust to create a new administrator role, leveraging overly permissive permissions associated with the compromised GitHub-Actions-CloudFormation role. Using the legitimate open-source tool Nord Stream, UNC6426 conducted reconnaissance and extracted secrets from CI/CD environments, leading to the exfiltration of files from AWS S3 buckets and data destruction. The actor escalated to full AWS administrator permissions in under 72 hours.

Source-reported aliases: . Associations do not prove equivalence.

Target geography

Catalog-listed countries (associations, not attack counts): No country-level metadata

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Historical casebook

No dated record curated yet; absence does not establish inactivity.

Planned Kinwilder coverage

Tentative editorial review windows, contingent on evidence and review; not promised publication dates or predictions of attacks.

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References

Pinned source catalog

https://cloud.google.com/security/report/resources/cloud-threat-horizons-report-h1-2026

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