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Vulnerability record · CVE-2026-82861 · published 31 August 2026

CVE-2026-82861: Improper access control vulnerability

@hulumi/policies versions before 1.3.2 contain a parent spoof bypass vulnerability that allows attackers to submit spoofed SecureBucket parent evidence during policy evaluation. Attackers can bypass security policy checks by providing falsified evidence, causing the validator to miss unsafe bucket configurations.

8.7 CVSS 4.0 High EPSS 0.43% · top 64.8% CWE-284 · Improper access control Deferred
8.7CVSS 4.0 base score
0.43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
2 Sep 2026Last modified by NVD

Description

@hulumi/policies versions before 1.3.2 contain a parent spoof bypass vulnerability that allows attackers to submit spoofed SecureBucket parent evidence during policy evaluation. Attackers can bypass security policy checks by providing falsified evidence, causing the validator to miss unsafe bucket configurations.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-g43v-9x7q-83pq
https://www.vulncheck.com/advisories/hulumi-policies-before-1.3.2-securebucket-parent-spoof-bypass

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Source: NIST National Vulnerability Database (record CVE-2026-82861), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.