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CVE-2026-48036

Hulumi: Drift classifier fails open on adapter errors and over-promotes Mixed verdicts

HIGH
8.4
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
HIGH8.4
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, consumers running drift detection in CI / cron could see transient adapter failures silently cached as "all clear" — masking real attacks for up to six hours — or see ordinary provider-version churn falsely promoted to incident severity. Either way, the verdict source was unreliable for downstream incident workflows that gate on it. 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-32g3-35g9-wc9g
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 exploitAutomatablePartial impact

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

CVSS

8.4HIGHGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-755

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