CVE-2026-82861: Improper Access Control in hulumi policies
Description
A vulnerability in @hulumi/policies versions before 1.3.2 allows attackers to bypass security policy checks by submitting spoofed SecureBucket parent evidence during policy evaluation. This improper access control flaw can cause the policy validator to overlook unsafe bucket configurations, potentially leading to unauthorized access or misconfigurations.
CVSS v4.0
Score 8.7high
Affected software
hulumi
policies
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
@hulumi/policies versions prior to 1.3.2 contain a parent spoof bypass vulnerability (CVE-2026-82861) that enables attackers to submit falsified SecureBucket parent evidence during policy evaluation. This spoofing allows attackers to bypass security policy checks, causing the validator to miss unsafe bucket configurations. The vulnerability has a CVSS 4.0 score of 8.7, indicating high severity, with network attack vector, no privileges or user interaction required, and high impact on confidentiality.
Potential Impact
Attackers can bypass security policy checks by providing spoofed evidence, which may result in unsafe bucket configurations being accepted as safe. This can lead to unauthorized access or exposure of sensitive data due to improper access control enforcement in the policy evaluation process.
Mitigation Recommendations
Upgrade @hulumi/policies to version 1.3.2 or later, where this vulnerability is fixed. No other mitigation or temporary workaround is indicated in the provided data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-31T08:37:27.054Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6a954465acd9273b49d7dda6
Added to database: 08/31/2026, 09:07:49 UTC
Last enriched: 10/09/2026, 21:24:08 UTC
Last updated: 10/15/2026, 18:48:24 UTC
Views: 70
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