CVE-2026-82859criticalCWE-284

CVE-2026-82859: critical vulnerability in kerberosmansour hulumi

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

Published

Follow this CVE+ Monitor hulumi

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

28Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 9.3epss 0.5%
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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Affected products
kerberosmansour · hulumi
Related CVEs — kerberosmansour hulumi

In the same product, most dangerous first.

CVE-2026-48032HIGHHulumi: IAM-role policy checks bypassed when the role trusts multiple OIDC providersEPSS 0.5%CVE-2026-82857CRITICALhulumi before v1.3.2 Privilege Escalation via IAM PolicyEPSS 0.5%CVE-2026-48036HIGHHulumi: Drift classifier fails open on adapter errors and over-promotes Mixed verdictsEPSS 0.5%CVE-2026-48033HIGHHulumi: Policy packs bypassed by a forged Pulumi-URN logical nameEPSS 0.5%CVE-2026-48037MEDIUMHulumi: AccountFoundation reuse paths silently downgrade GuardDuty / Security Hub postureEPSS 0.5%CVE-2026-48035HIGHHulumi: AccountFoundation audit-delivery S3 bucket could be silently weakenedEPSS 0.5%