Vulnerability · Published Jul 24, 2026 · Assigned by GitHub_M
CVE-2026-48037Hulumi: AccountFoundation reuse paths silently downgrade GuardDuty / Security Hub posture
Medium 6.3
In plain English
A medium-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 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)6.3Medium
Exploit odds (30 days)0.5%top 60.7% 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, AccountFoundation reuse paths silently downgrade GuardDuty / Security Hub posture. This issue has been patched in version 1.4.0.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | @hulumi/baseline | 1.4.0 | GHSA-cj8g-prcm-mfg5 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| 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:L/VA:N/SC:L/SI:H/SA:N
References
- https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-cj8g-prcm-mfg5 x_refsource_CONFIRM
- https://github.com/kerberosmansour/hulumi/pull/178 x_refsource_MISC
- https://github.com/kerberosmansour/hulumi/releases/tag/v1.4.0 x_refsource_MISC