Cloud Infrastructure Bypass Vulnerability in Hulumi Toolkit
CVE-2026-48034

8.5HIGH

Key Information:

Vendor

Kerberosmansour

Status
Hulumi
Vendor
CVE Published:
24 July 2026

What is CVE-2026-48034?

The Hulumi Toolkit, an open-source solution for secure cloud and platform infrastructure, is susceptible to a bypass vulnerability due to the presence of decoy sibling resources targeting an alternate bucket. This flaw allows unauthorized access to resources that should be protected. The issue has been resolved in version 1.4.0, emphasizing the importance of updating to mitigate any potential exploitation risks.

Affected Version(s)

hulumi < 1.4.0

References

https://github.com/kerberosmansour/hulumi/security/adviso...
x_refsource_CONFIRM
https://github.com/kerberosmansour/hulumi/pull/175
x_refsource_MISC
https://github.com/kerberosmansour/hulumi/pull/178
x_refsource_MISC

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.