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CVE-2026-48033— Hulumi: Policy packs bypassed by a forged Pulumi-URN logical name

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之前版本存在处理逻辑错误漏洞，该漏洞源于策略包可被伪造的Pulumi-URN逻辑名称绕过。

CVSS 8.4 · High EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
kerberosmansour hulumi < 1.4.0 affected
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I. Basic Information for CVE-2026-48033

Vulnerability Information
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Vulnerability Title
Hulumi: Policy packs bypassed by a forged Pulumi-URN logical name
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, policy packs can be bypassed by a forged Pulumi-URN logical name. 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:L/UI:N/VC:N/VI:H/VA:N/SC:H/SI:H/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
保护机制失效
Source: CVE Program / CVE List V5
Vulnerability Title
Kerberosmansour Hulumi 处理逻辑错误漏洞
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之前版本存在处理逻辑错误漏洞，该漏洞源于策略包可被伪造的Pulumi-URN逻辑名称绕过。
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-2026-48033

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
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claude_code · 6765 chars
GitHub 复现环境（可 clone 直接跑）
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-48033

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Patches & Fixes for CVE-2026-48033 (1)

Vendor Advisories for CVE-2026-48033 (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-2026-48036 8.4 HIGH Hulumi: Drift classifier fails open on adapter errors and over-promotes Mixed verdicts
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-693

V. Comments for CVE-2026-48033

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