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CVE-2026-82859— hulumi before v1.3.2 SCP Template Tag-on-Create Bypass

Quick assessment

Affected
kerberosmansour hulumi
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Hulumi 在 v1.3.2 之前的版本中存在一个部署 SCP 模板，该模板允许通过“创建时打标签”（tag-on-create）机制绕过 hulumi:iac-role 的保护措施。攻击者可以利用下游部署中该被弱化的 SCP 模板，绕过预期的 IAM 边界限制。

CVSS 9.8 · Critical EPSS 0.30% · P22

Possible ATT&CK Techniques 1 AI

T1615 · Group Policy Discovery

Affected Version Matrix 2

VendorProduct Version RangeStatus
kerberosmansour hulumi < 1.3.2 affected
1.3.2 unaffected
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I. Basic Information for CVE-2026-82859

Vulnerability Information
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Vulnerability Title
hulumi before v1.3.2 SCP Template Tag-on-Create Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
hulumi versions before v1.3.2 contain a deployment SCP template that allows tag-on-create bypasses for hulumi:iac-role protections. Attackers can bypass intended IAM boundary restrictions by exploiting the weakened SCP template in downstream deployments.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
kerberosmansour hulumi 0 ~ 1.3.2 -

II. Public POCs for CVE-2026-82859

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-82859

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Other References for CVE-2026-82859 (2)

Same Patch Batch · kerberosmansour · 2026-08-31 · 3 CVEs total

CVE-2026-82857 9.8 CRITICAL hulumi before v1.3.2 Privilege Escalation via IAM Policy
CVE-2026-82862 8.4 HIGH Hulumi before v1.3.2 Helper Script Shadowing via Workspace Files

IV. Related Vulnerabilities

Same product: hulumi
Same vendor: kerberosmansour
Same weakness: CWE-284

V. Comments for CVE-2026-82859

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