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CVE-2026-48036— Hulumi: Drift classifier fails open on adapter errors and over-promotes Mixed verdicts

CVSS 8.4 · High EPSS 0.29% · P22

Possible ATT&CK Techniques 1AI

T1562.001

Affected Version Matrix 1

VendorProductVersion RangeStatus
kerberosmansourhulumi< 1.4.0affected
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I. Basic Information for CVE-2026-48036

Vulnerability Information
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Vulnerability Title
Hulumi: Drift classifier fails open on adapter errors and over-promotes Mixed verdicts
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:L/SC:N/SI:H/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
对异常条件的处理不恰当
Source: CVE Program / CVE List V5

Affected Products

VendorProductAffected VersionsCPESubscribe
kerberosmansourhulumi < 1.4.0 -

II. Public POCs for CVE-2026-48036

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
Qwen3.6-35B-A3B · 8889 chars
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III. Intelligence Information for CVE-2026-48036

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Patches & Fixes for CVE-2026-48036 (1)

Vendor Advisories for CVE-2026-48036 (1)

Same Patch Batch · kerberosmansour · 2026-07-24 · 6 CVEs total

CVE-2026-480348.5 HIGHHULUMI-H5 bypass via decoy sibling resources targeting a different bucket
CVE-2026-480338.4 HIGHHulumi: Policy packs bypassed by a forged Pulumi-URN logical name
CVE-2026-480328.3 HIGHHulumi: IAM-role policy checks bypassed when the role trusts multiple OIDC providers
CVE-2026-480357.1 HIGHHulumi: AccountFoundation audit-delivery S3 bucket could be silently weakened
CVE-2026-480376.3 MEDIUMHulumi: AccountFoundation reuse paths silently downgrade GuardDuty / Security Hub posture

IV. Related Vulnerabilities

Same product: hulumi
Same vendor: kerberosmansour
Same weakness: CWE-755

V. Comments for CVE-2026-48036

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