CVE-2026-82862

HIGHPre-NVD 8.48.4—
EchelonGraph scoreHIGH confidence

Score 8.4 from GitHub Security Advisory (severity: HIGH) published 2026-08-31. a secondary CVSS source baseline 8.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.4EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.4Exploit: None knownExposed: 0

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

Hulumi versions before v1.3.2 resolve the threat-model helper script from an unsafe root, allowing workspace files to shadow the intended helper script. Attackers can place malicious files in the workspace to execute arbitrary code during local skill execution.

CVSS v3
8.4
EG Score
8.4(high)
EG Risk
38(Track)
EG Risk 38/100SSVC: 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
Severity84% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
3%
KEV
Not listed

Published

August 31, 2026

Last Modified

September 1, 2026

Advisory Details (2)

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

Hulumi before v1.3.2 Helper Script Shadowing via Workspace Files | Advisories | VulnCheck

https://www.vulncheck.com/advisories/hulumi-before-1.3.2-helper-script-shadowing-via-workspace-files
github Patch Available

Threat-model skill helper script root could be shadowed by workspace files · Advisory · kerberosmansour/hulumi · GitHub

Affected: v1.3.2: helper resolution is anchored to the skill directory.

https://github.com/kerberosmansour/hulumi/security/advisories/GHSA-mjcg-x5mr-27ww

Vendor Advisories for CVE-2026-82862(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 26× in last 7d / 78× 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. 2026-09-19 23:23 UTCEG score recompute
  2. 2026-09-19 23:23 UTCGHSA enrichment
  3. 2026-09-19 12:03 UTCGHSA enrichment
  4. 2026-09-19 00:44 UTCEG score recompute
  5. 2026-09-19 00:44 UTCGHSA enrichment
  6. 2026-09-18 19:28 UTCEPSS rescore
  7. 2026-09-18 13:24 UTCGHSA enrichment
  8. 2026-09-18 02:04 UTCEG score recompute
  9. 2026-09-18 02:04 UTCGHSA enrichment
  10. 2026-09-17 14:44 UTCGHSA enrichment
  11. 2026-09-17 03:24 UTCGHSA enrichment
  12. 2026-09-16 16:04 UTCEG score recompute
  13. 2026-09-16 16:04 UTCGHSA enrichment
  14. 2026-09-16 14:08 UTCEPSS rescore
  15. 2026-09-16 05:15 UTCEPSS rescore
  16. 2026-09-16 04:44 UTCGHSA enrichment
  17. 2026-09-15 17:24 UTCGHSA enrichment
  18. 2026-09-15 06:04 UTCEG score recompute
  19. 2026-09-15 06:03 UTCGHSA enrichment
  20. 2026-09-15 03:12 UTCEPSS rescore
  21. 2026-09-15 03:12 UTCEPSS rescore
  22. 2026-09-14 18:41 UTCGHSA enrichment
  23. 2026-09-14 06:49 UTCGHSA enrichment
  24. 2026-09-13 19:29 UTCEG score recompute
  25. 2026-09-13 19:29 UTCGHSA enrichment
Show 53 more
  1. 2026-09-13 08:09 UTCGHSA enrichment
  2. 2026-09-12 20:50 UTCEG score recompute
  3. 2026-09-12 20:50 UTCGHSA enrichment
  4. 2026-09-12 09:30 UTCGHSA enrichment
  5. 2026-09-11 22:10 UTCGHSA enrichment
  6. 2026-09-11 10:49 UTCEG score recompute
  7. 2026-09-11 10:49 UTCGHSA enrichment
  8. 2026-09-10 23:00 UTCGHSA enrichment
  9. 2026-09-10 11:40 UTCEG score recompute
  10. 2026-09-10 11:40 UTCGHSA enrichment
  11. 2026-09-09 23:45 UTCGHSA enrichment
  12. 2026-09-09 10:51 UTCGHSA enrichment
  13. 2026-09-08 23:31 UTCEG score recompute
  14. 2026-09-08 23:31 UTCGHSA enrichment
  15. 2026-09-08 22:01 UTCEPSS rescore
  16. 2026-09-08 06:55 UTCGHSA enrichment
  17. 2026-09-07 19:28 UTCEG score recompute
  18. 2026-09-07 19:28 UTCGHSA enrichment
  19. 2026-09-07 08:08 UTCGHSA enrichment
  20. 2026-09-06 20:47 UTCEG score recompute
  21. 2026-09-06 20:47 UTCGHSA enrichment
  22. 2026-09-06 13:48 UTCEPSS rescore
  23. 2026-09-06 09:27 UTCGHSA enrichment
  24. 2026-09-05 22:08 UTCEG score recompute
  25. 2026-09-05 22:07 UTCGHSA enrichment
  26. 2026-09-05 15:31 UTCEPSS rescore
  27. 2026-09-05 10:48 UTCGHSA enrichment
  28. 2026-09-04 23:28 UTCEG score recompute
  29. 2026-09-04 23:28 UTCGHSA enrichment
  30. 2026-09-04 11:43 UTCEG score recompute
  31. 2026-09-04 11:43 UTCGHSA enrichment
  32. 2026-09-04 05:07 UTCEPSS rescore
  33. 2026-09-04 00:24 UTCGHSA enrichment
  34. 2026-09-03 13:05 UTCGHSA enrichment
  35. 2026-09-03 01:44 UTCGHSA enrichment
  36. 2026-09-02 14:24 UTCEG score recompute
  37. 2026-09-02 14:24 UTCGHSA enrichment
  38. 2026-09-02 14:12 UTCEPSS rescore
  39. 2026-09-02 03:02 UTCGHSA enrichment
  40. 2026-09-01 15:43 UTCEG score recompute
  41. 2026-09-01 15:43 UTCGHSA enrichment
  42. 2026-09-01 15:13 UTCEG score recompute
  43. 2026-09-01 15:13 UTCGHSA enrichment
  44. 2026-09-01 13:54 UTCEPSS rescore
  45. 2026-09-01 08:14 UTCEG score recompute
  46. 2026-09-01 08:14 UTCGHSA enrichment
  47. 2026-09-01 04:40 UTCEPSS rescore
  48. 2026-09-01 04:40 UTCEPSS rescore
  49. 2026-08-31 20:54 UTCGHSA enrichment
  50. 2026-08-31 09:37 UTCEG score recompute
  51. 2026-08-31 09:37 UTCGHSA enrichment
  52. 2026-08-31 08:55 UTCEG score recompute
  53. 2026-08-31 08:52 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-82862?
CVE-2026-82862 is a high vulnerability published on August 31, 2026. Hulumi versions before v1.3.2 resolve the threat-model helper script from an unsafe root, allowing workspace files to shadow the intended helper script. Attackers can place malicious files in the workspace to execute arbitrary code during local skill execution.
When was CVE-2026-82862 disclosed?
CVE-2026-82862 was first published in the National Vulnerability Database on August 31, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-82862 actively exploited?
CVE-2026-82862 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 96.9% of all scored CVEs.
What is the CVSS score of CVE-2026-82862?
CVE-2026-82862 has a CVSS v3 base score of 8.4 (NVD).
How do I remediate CVE-2026-82862?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-82862, 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

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