Vulnerability · Published Aug 31, 2026 · Assigned by VulnCheck

CVE-2026-82861@hulumi/policies before 1.3.2 SecureBucket Parent Spoof Bypass

High 7.5

In plain English

A high-severity improper access control in policies from hulumi. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.4%top 62.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

@hulumi/policies versions before 1.3.2 contain a parent spoof bypass vulnerability that allows attackers to submit spoofed SecureBucket parent evidence during policy evaluation. Attackers can bypass security policy checks by providing falsified evidence, causing the validator to miss unsafe bucket configurations.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	@hulumi/policies	1.3.2	GHSA-g43v-9x7q-83pq

Affected products (as reported)

Vendor	Product	Versions
hulumi	policies	0 – before 1.3.2

Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

GitHub Security Advisory (GHSA-g43v-9x7q-83pq) vendor-advisory
VulnCheck Advisory: @hulumi/policies before 1.3.2 SecureBucket Parent Spoof Bypass third-party-advisory