medium6.0
CVE-2026-6959
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 syml…
Impact
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
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/hashicorp/nomad | < 1.11.0-rc.1.0.20260512123500-2a09fd62c238 | 1.11.0-rc.1.0.20260512123500-2a09fd62c238 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-3934-423w-4jq3
- https://nvd.nist.gov/vuln/detail/CVE-2026-6959
- https://discuss.hashicorp.com/t/hcsec-2026-14-nomad-arbitrary-file-read-write-on-client-host-through-symlink-attack/77416
- https://github.com/hashicorp/nomad/commit/2a09fd62c23880ff306499ae03fe64628d82a23f
- https://github.com/hashicorp/nomad/releases/tag/v2.0.1