Read the docs
TI-2023-01223 Aliases CVE-2023-1296GHSA-hhvx-8755-4cvw

Nomad ACLs Can Not Deny Access to Workload's Own Variables

Priority LOW 25CWE-682Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-862.

Summary

HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.5.0 did not correctly enforce deny policies applied to a workload’s variables. Fixed in 1.4.6 and 1.5.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00544 45th percentileScored 2026-11-07
Fix Fixed Nomad (HashiCorp): 1.4.6Nomad Enterprise (HashiCorp): 1.4.6+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HashiCorpNomad1.5.0; 1.4.0 to before 1.4.61.4.6Patch availableCNA
HashiCorpNomad Enterprise1.5.0; 1.4.0 to before 1.4.61.4.6Patch availableCNA
—github.com/hashicorp/nomad (Go)1.4.0 to before 1.4.61.4.6Patch availableGHSA-hhvx-8755-4cvw
—github.com/hashicorp/nomad (Go)1.5.0 to before 1.5.11.5.1Patch availableGHSA-hhvx-8755-4cvw
  • Nomad VendorHashiCorp Affected 1.5.0; 1.4.0 to before 1.4.6 Fixed in 1.4.6 Patch available CNA
  • Nomad Enterprise VendorHashiCorp Affected 1.5.0; 1.4.0 to before 1.4.6 Fixed in 1.4.6 Patch available CNA
  • github.com/hashicorp/nomad (Go) Vendor— Affected 1.4.0 to before 1.4.6 Fixed in 1.4.6 Patch available GHSA-hhvx-8755-4cvw
  • github.com/hashicorp/nomad (Go) Vendor— Affected 1.5.0 to before 1.5.1 Fixed in 1.5.1 Patch available GHSA-hhvx-8755-4cvw

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*1.4.0 to before 1.4.6VulnerableHashiCorp
cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*1.4.0 to before 1.4.6VulnerableHashiCorp
cpe:2.3:a:hashicorp:nomad:1.5.0:*:*:*:-:*:*:*1.5.0VulnerableHashiCorp
cpe:2.3:a:hashicorp:nomad:1.5.0:*:*:*:enterprise:*:*:*1.5.0VulnerableHashiCorp
  • cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:* Versions 1.4.0 to before 1.4.6 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:* Versions 1.4.0 to before 1.4.6 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:nomad:1.5.0:*:*:*:-:*:*:* Versions 1.5.0 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:nomad:1.5.0:*:*:*:enterprise:*:*:* Versions 1.5.0 Vulnerable ·HashiCorp

Remediation

  • Fix · CNA Nomad (HashiCorp) Fixed in 1.4.6
  • Fix · CNA Nomad Enterprise (HashiCorp) Fixed in 1.4.6
  • Fix · GHSA-hhvx-8755-4cvw github.com/hashicorp/nomad (Go) Fixed in 1.4.6 Advisory →
  • Fix · GHSA-hhvx-8755-4cvw github.com/hashicorp/nomad (Go) Fixed in 1.5.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-1296
  2. 2026-10-03 Alias added: GHSA-hhvx-8755-4cvw

References

  • TI-2019-09419 HashiCorp Nomad 0.9.0 through 0.9.1 has Incorrect Access Control via the exec driver. CVSS 3.0CRITICAL 9.8
  • TI-2022-12559 HashiCorp Nomad and Nomad Enterprise version 0.2.0 up to 1.3.0 were impacted by go-getter… CVSS 3.1CRITICAL 9.8
  • TI-2023-01674 Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation CVSS 3.1CRITICAL 10.0
  • TI-2020-06436 HashiCorp Nomad and Nomad Enterprise up to 0.10.2 incorrectly validated role/region… CVSS 3.1CRITICAL 9.8
  • TI-2020-16532 HashiCorp Nomad and Nomad Enterprise version 0.9.0 up to 0.12.5 client file sandbox… CVSS 3.1CRITICAL 9.1
  • TI-2021-19357 HashiCorp Nomad and Nomad Enterprise up to 1.0.13, 1.1.7, and 1.2.0, with the QEMU task… CVSS 3.1HIGH 8.8
See all 35 →

Sources