CVE-2026-82859

CRITICAL 9.8

hulumi before v1.3.2 SCP Template Tag-on-Create Bypass

CVSS Score

9.8

EPSS Score

0.0%

EPSS Percentile

0th

hulumi versions before v1.3.2 contain a deployment SCP template that allows tag-on-create bypasses for hulumi:iac-role protections. Attackers can bypass intended IAM boundary restrictions by exploiting the weakened SCP template in downstream deployments.

CWE	CWE-284
Vendor	kerberosmansour
Product	hulumi
Published	Aug 31, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

kerberosmansour / hulumi

0 < 1.3.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-86q4-r5j3-ff5c vulncheck.com: https://www.vulncheck.com/advisories/hulumi-before-1.3.2-scp-template-tag-on-create-bypass