Critical severity · published Aug 31, 2026
CVE-2026-82859
hulumi before v1.3.2 SCP Template Tag-on-Create Bypass
9.8
CVSS
0.5%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HU
hulumi · kerberosmansour
before 1.3.2 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-82859
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-82859
github.com
https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-86q4-r5j3-ff5c
www.vulncheck.com
https://www.vulncheck.com/advisories/hulumi-before-1.3.2-scp-template-tag-on-create-bypass
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