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TI-2023-01674 Aliases CVE-2023-1782GHSA-f8r8-h93m-mj77

Nomad Unauthenticated Client Agent HTTP Request Privilege Escalation

Priority MEDIUM 44CWE-862Published · Updated

Key facts

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

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

Summary

HashiCorp Nomad and Nomad Enterprise versions 1.5.0 up to 1.5.2 allow unauthenticated users to bypass intended ACL authorizations for clusters where mTLS is not enabled. This issue is fixed in version 1.5.3.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00765 55th percentileScored 2026-11-07
Fix Fixed Nomad (HashiCorp): 1.5.3Nomad Enterprise (HashiCorp): 1.5.3+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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 to before 1.5.31.5.3Patch availableCNA
HashiCorpNomad Enterprise1.5.0 to before 1.5.31.5.3Patch availableCNA
—github.com/hashicorp/nomad (Go)1.5.0 to before 1.5.31.5.3Patch availableGHSA-f8r8-h93m-mj77
  • Nomad VendorHashiCorp Affected 1.5.0 to before 1.5.3 Fixed in 1.5.3 Patch available CNA
  • Nomad Enterprise VendorHashiCorp Affected 1.5.0 to before 1.5.3 Fixed in 1.5.3 Patch available CNA
  • github.com/hashicorp/nomad (Go) Vendor— Affected 1.5.0 to before 1.5.3 Fixed in 1.5.3 Patch available GHSA-f8r8-h93m-mj77

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*1.5.0 – 1.5.2VulnerableHashiCorp
cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*1.5.0 – 1.5.2VulnerableHashiCorp
  • cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:* Versions 1.5.0 – 1.5.2 Vulnerable ·HashiCorp
  • cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:* Versions 1.5.0 – 1.5.2 Vulnerable ·HashiCorp

Remediation

  • Fix · CNA Nomad (HashiCorp) Fixed in 1.5.3
  • Fix · CNA Nomad Enterprise (HashiCorp) Fixed in 1.5.3
  • Fix · GHSA-f8r8-h93m-mj77 github.com/hashicorp/nomad (Go) Fixed in 1.5.3 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-1782
  2. 2026-10-03 Alias added: GHSA-f8r8-h93m-mj77

References

Advisory 2

Other 1

  • 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-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
  • TI-2023-01226 Nomad Job Submitter Privilege Escalation Using Workload Identity CVSS 3.1HIGH 8.8
See all 35 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences