Vulnerability · Published Aug 31, 2026 · Assigned by VulnCheck
CVE-2026-82857hulumi before v1.3.2 Privilege Escalation via IAM Policy
Critical 9.8
In plain English
A critical-severity privilege mismanagement in hulumi from kerberosmansour. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.5%top 56.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| kerberosmansour | hulumi | 0 – before 1.3.2 |
Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-35qr-vx94-m5x3) vendor-advisory
- VulnCheck Advisory: hulumi before v1.3.2 Privilege Escalation via IAM Policy third-party-advisory