Privilege Escalation in hulumi by KerberosMansour
CVE-2026-82857

9.3CRITICAL

Key Information:

Vendor

Kerberosmansour

Status
Hulumi
Vendor
CVE Published:
31 August 2026

What is CVE-2026-82857?

The hulumi product by KerberosMansour exhibits a vulnerability in versions earlier than v1.3.2, allowing unauthorized privilege escalation through improper IAM policy configuration. This flaw enables attackers with the documented principal to perform role lifecycle operations on af-e2e-* roles, circumventing necessary boundary restrictions. Consequently, this could lead to the creation of persistent higher-privilege roles within the sandbox account, posing significant security risks.

Affected Version(s)

hulumi 0 < 1.3.2

hulumi 1.3.2

References

https://github.com/kerberosmansour/hulumi/security/adviso...
vendor-advisory
https://www.vulncheck.com/advisories/hulumi-before-1.3.2-...
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.