CVE-2026-48034

HIGH

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

Title source: cna
STIX 2.1

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 (4)

Core 4
Core References
X_Refsource_Misc x_refsource_misc
https://github.com/kerberosmansour/hulumi/pull/175
X_Refsource_Misc x_refsource_misc
https://github.com/kerberosmansour/hulumi/pull/178

Scores

CVSS v4 8.5
EPSS 0.0026
EPSS Percentile 17.5%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-284
Status published
Products (1)
kerberosmansour/hulumi < 1.4.0
Published Jul 24, 2026
Tracked Since Jul 25, 2026