CVE-2026-6959

MEDIUM 6.0

Nomad vulnerable to arbitrary file read/write on client host through symlink attack

CVSS Score

6.0

EPSS Score

0.0%

EPSS Percentile

0th

HashiCorp Nomad and Nomad Enterprise prior to 2.0.1 are vulnerable to arbitrary file read and write on the client host as the Nomad process user through a symlink attack. This vulnerability (CVE-2026-6959) is fixed in Nomad 2.0.1, 1.11.5 and 1.10.11.

CWE	CWE-59
Vendor	hashicorp
Product	nomad
Published	May 12, 2026
Last Updated	May 12, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

HashiCorp / Nomad

0.9.0 < 2.0.1

HashiCorp / Nomad Enterprise

0.9.0 < 2.0.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

discuss.hashicorp.com: https://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416

Credits

This issue was identified by Alex Manson (Aiven / NeuroWinter).