CVE-2026-48034

Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, there is a bypass via decoy sibling resources targeting a different bucket. This issue has been patched in version 1.4.0...

CVE-2026-48034 HULUMI-H5 bypass via decoy sibling resources targeting a different bucket

Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, there is a bypass via decoy sibling resources targeting a different bucket. This issue has been patched in version 1.4.0...

CVE-2026-48034

CVE-2026-48034 affects Hulumi components used with Pulumi. Before v1.4.0, a bypass exists in the decoy-sibling mechanism: an unhardened raw S3 bucket could appear compliant when paired with five hardening siblings that reference a different bucket, allowing a bypass of access controls. The issue ...