CVE-2026-82860

CRITICALPre-NVD 9.89.8
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-31. the CNA's CVSS baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, ghsa
Trending — 3 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: CVSS: 9.8Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

@hulumi/policies versions before 1.3.2 fail to fully inspect inline and attached IAM policy evidence for the administrator-policy guardrail. Attackers can craft admin-equivalent policy paths that bypass policy evaluation controls.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
EPSS %ILE
KEV
Not listed

Published

August 31, 2026

Last Modified

August 31, 2026

Advisory Details (2)

Auto-updated Aug 31, 2026
Patch available. Sources: github.
generic

@hulumi/policies before 1.3.2 Admin Policy Bypass | Advisories | VulnCheck

https://www.vulncheck.com/advisories/hulumi-policies-before-1.3.2-admin-policy-bypass
github Patch Available

CIS 1.16 admin policy bypass for inline and attached IAM policies · Advisory · kerberosmansour/hulumi · GitHub

Affected: 1.3.2: the validator inspects the affected policy shapes and includes regression

https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-4xrh-5m3m-328w

Vendor Advisories for CVE-2026-82860(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-31 14:45 UTCEG score recompute
  2. 2026-08-31 14:45 UTCGHSA enrichment
  3. 2026-08-31 13:37 UTCGHSA enrichment
  4. 2026-08-31 09:37 UTCEG score recompute
  5. 2026-08-31 09:37 UTCGHSA enrichment
  6. 2026-08-31 08:55 UTCEG score recompute
  7. 2026-08-31 08:52 UTCMITRE cvelistV5first tracked

Frequently asked(4)

What is CVE-2026-82860?
CVE-2026-82860 is a critical vulnerability published on August 31, 2026. @hulumi/policies versions before 1.3.2 fail to fully inspect inline and attached IAM policy evidence for the administrator-policy guardrail. Attackers can craft admin-equivalent policy paths that bypass policy evaluation controls.
When was CVE-2026-82860 disclosed?
CVE-2026-82860 was first published in the National Vulnerability Database on August 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-82860?
CVE-2026-82860 has a CVSS v4.0 base score of 9.8 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-82860?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82860, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-82860

Explore →

Is Your Infrastructure Affected by CVE-2026-82860?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.