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CVE-2026-48037

Hulumi: AccountFoundation reuse paths silently downgrade GuardDuty / Security Hub posture

MEDIUM

6.3

CVSS Score

Published: July 24, 2026 at 06:44 PM UTC

Updated: October 24, 2026 at 01:10 PM UTC

1 product affected across 1 vendorHulumi

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Severity

MEDIUM6.3

Exploit prediction

EPSS 0.5%

SSVC

No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Hulumi · Kerberosmansour

90%

v < 1.4.0

Affected range stops below 1.4.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

x_refsource_CONFIRM

Source: cverecord

https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-cj8g-prcm-mfg5

x_refsource_MISC

Source: cverecord

https://github.com/kerberosmansour/hulumi/pull/178

x_refsource_MISC

Source: cverecord

https://github.com/kerberosmansour/hulumi/releases/tag/v1.4.0

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMGitHub_M

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-693

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