CVE-2026-6959

MEDIUM

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

Title source: cna

Description

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.

References (1)

Core 1

Core References

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

Scores

CVSS v3 6.0

EPSS 0.0001

EPSS Percentile 1.0%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-59

Status published

Products (3)

hashicorp/nomad 0 - 1.11.0-rc.1.0.20260512123500-2a09fd62c238Go

HashiCorp/Nomad 0.9.0 - 2.0.1

HashiCorp/Nomad Enterprise 0.9.0 - 2.0.1

Published May 12, 2026

Tracked Since May 13, 2026