Symlink Following Vulnerability in HashiCorp Nomad and Nomad Enterprise
CVE-2026-119168

8.8HIGH

Key Information:

Vendor

Hashicorp
Status
Nomad
Nomad Enterprise
Vendor
CVE Published:
29 October 2026

What is CVE-2026-119168?

HashiCorp Nomad and Nomad Enterprise exhibit a vulnerability where symlink following during same-client allocation data migration can lead to unauthorized alterations in host directories' permissions and ownership. This security flaw enables a malicious workload to manipulate host data, posing risks of potential privilege escalation. The issue is addressed in Nomad versions 2.1.0 and Nomad Enterprise versions 1.11.12 and 1.10.18.

Affected Version(s)

Nomad 64 bit 0.5.3 < 2.1.0

Nomad Enterprise 64 bit 0.5.3 < 2.1.0

References

https://discuss.hashicorp.com/t/hcsec-2026-53-nomad-alloc...

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

This issue was reported to HashiCorp by Sajda Kabir ([http://github.com/sajdakabir|http://github.com/sajdakabir]).
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