Critical severity · published Aug 31, 2026
CVE-2026-82857
hulumi before v1.3.2 Privilege Escalation via IAM Policy
9.8
CVSS
0.5%
EPSS
No
On KEV
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.
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 44% 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
Affected product
HU
hulumi
kerberosmansour
More from hulumi
9.8
CVE-2026-82859
hulumi before v1.3.2 SCP Template Tag-on-Create Bypass
8.5
CVE-2026-48034
HULUMI-H5 bypass via decoy sibling resources targeting a different bucket
8.4
CVE-2026-82862
Hulumi before v1.3.2 Helper Script Shadowing via Workspace Files
8.4
CVE-2026-48036
Hulumi: Drift classifier fails open on adapter errors and over-promotes Mixed verdicts
8.4
CVE-2026-48033
Hulumi: Policy packs bypassed by a forged Pulumi-URN logical name