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

Quick assessment

Affected
kerberosmansour hulumi
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kerberosmansour Hulumi是Kerberosmansour个人开发者的一个面向Pulumi的云基础设施安全工具包。 Kerberosmansour Hulumi 1.4.0之前版本存在异常处理不当漏洞，该漏洞源于异常处理不当，可能导致瞬时适配器故障被静默缓存为“一切正常”，掩盖真实攻击或导致误报。

CVSS 8.4 · High EPSS 0.51% · P41

Possible ATT&CK Techniques 1 AI

T1562.001

Affected Version Matrix 1

VendorProduct Version RangeStatus
kerberosmansour hulumi < 1.4.0 affected
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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
Vulnerability Title
Kerberosmansour Hulumi 异常处理不当漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kerberosmansour Hulumi是Kerberosmansour个人开发者的一个面向Pulumi的云基础设施安全工具包。 Kerberosmansour Hulumi 1.4.0之前版本存在异常处理不当漏洞，该漏洞源于异常处理不当，可能导致瞬时适配器故障被静默缓存为“一切正常”，掩盖真实攻击或导致误报。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
kerberosmansour hulumi < 1.4.0 -

II. Public POCs for CVE-2026-48036

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 8889 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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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-2026-48034 8.5 HIGH HULUMI-H5 bypass via decoy sibling resources targeting a different bucket
CVE-2026-48033 8.4 HIGH Hulumi: Policy packs bypassed by a forged Pulumi-URN logical name
CVE-2026-48032 8.3 HIGH Hulumi: IAM-role policy checks bypassed when the role trusts multiple OIDC providers
CVE-2026-48035 7.1 HIGH Hulumi: AccountFoundation audit-delivery S3 bucket could be silently weakened
CVE-2026-48037 6.3 MEDIUM Hulumi: 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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