Vulnerability · Published Jul 24, 2026 · Assigned by GitHub_M

CVE-2026-48033Hulumi: Policy packs bypassed by a forged Pulumi-URN logical name

High 8.4

In plain English

A high-severity security flaw 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 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 4.0)8.4High
Exploit odds (30 days)0.5%top 58.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Hulumi is an open-source toolkit that ships secure-by-default cloud and platform infrastructure components for Pulumi. Prior to version 1.4.0, policy packs can be bypassed by a forged Pulumi-URN logical name. This issue has been patched in version 1.4.0.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npm@hulumi/policies1.4.0GHSA-rhgj-6g2c-frmm

Affected products (as reported)

VendorProductVersions
kerberosmansour hulumi < 1.4.0

Weakness: CWE-693 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N

References