Vulnerability in Hulumi Policies
CVE-2026-82855
@hulumi/policies versions before 1.3.2 contain an evidence validation bypass vulnerability in Cloudflare and deployment-governance validators that allows attackers to suppress violations by submitting unrelated compliant evidence. Attackers can use evidence from different zones, hostnames, origins, or repositories to bypass security guardrails for unrelated resources in the same stack.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.006 · change: +0.003
Affected products
Weakness classification (CWE)
References
- github.com/kerberosmansour/hulumi/security/advisories/GHSA-59f3-7227-wmh4 (vendor-advisory)
- www.vulncheck.com/advisories/hulumi-policies-before-1.3.2-evidence-validation-b… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-82855?
- CVE-2026-82855 is a critical-severity vulnerability in Hulumi Policies, classified under Protection Mechanism Failure. CVSS score: 9.8/10. Published 2026-08-31.
- How severe is CVE-2026-82855?
- Critical severity. CVSS v3 base score is 9.8 out of 10.