CVE-2026-48034

high

Description

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.

References

https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-9vc9-4jv3-rf86

https://github.com/kerberosmansour/hulumi/releases/tag/v1.4.0

https://github.com/kerberosmansour/hulumi/pull/178

https://github.com/kerberosmansour/hulumi/pull/175

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-48734

Details

Source: Mitre, NVD

Published: 2026-07-24

Updated: 2026-07-28

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 8.5

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:L

Severity: High

EPSS

EPSS: 0.00039