CVE-2026-6959

MEDIUM6.0EPSS 0.01%

HashiCorp Nomad vulnerable to symlink attack

Published: 5/12/2026Modified: 5/19/2026

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.

Affected packages (1)

Go/github.com/hashicorp/nomadfrom 0, < 1.11.0-rc.1.0.20260512123500-2a09fd62c238

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 3.1	MEDIUM6.0	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N

References (5)

ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2026-6959
PATCHhttps://github.com/hashicorp/nomad
WEBhttps://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416
WEBhttps://github.com/hashicorp/nomad/commit/2a09fd62c23880ff306499ae03fe64628d82a23f
WEBhttps://github.com/hashicorp/nomad/releases/tag/v2.0.1