CVE-2026-6959

Description

HashiCorp Nomad vulnerable to symlink attack in github.com/hashicorp/nomad

How to fix CVE-2026-6959

To remediate CVE-2026-6959, upgrade the affected package to a fixed version below.

• Go/github.com/hashicorp/nomad—upgrade to 1.11.0-rc.1.0.20260512123500-2a09fd62c238 or later
• Go/github.com/hashicorp/nomad—upgrade to 1.11.0-rc.1.0.20260512123500-2a09fd62c238 or later

Is CVE-2026-6959 being exploited?

Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.

Affected packages (2)

• from 0, < 1.11.0-rc.1.0.20260512123500-2a09fd62c238
• from 0, < 1.11.0-rc.1.0.20260512123500-2a09fd62c238

CVSS scores

References (6)

• ADVISORYgithub.com/advisories/GHSA-3934-423w-4jq3
• ADVISORYnvd.nist.gov/vuln/detail/CVE-2026-6959
• PATCHgithub.com/hashicorp/nomad
• WEBdiscuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416