CVE-2026-82857: hulumi before v1.3.2 Privilege Escalation via IAM Policy

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-31 · updated 2026-09-01
Weakness: CWE-269

Description

hulumi versions before v1.3.2 contain a privilege escalation vulnerability in the weekly integration IAM policy that allows role lifecycle operations on af-e2e-* roles without sufficient boundary restrictions. Attackers with the documented principal can create persistent higher-privilege roles in the sandbox account.

Affected products

kerberosmansour hulumi: before 1.3.2 — fixed in 1.3.2

How to fix

Upgrade to a fixed version: kerberosmansour hulumi 1.3.2. Check the vendor advisory for mitigations.

References

https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-35qr-vx94-m5x3
https://www.vulncheck.com/advisories/hulumi-before-1.3.2-privilege-escalation-via-iam-policy

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