What is CVE-2026-6959?

CVE-2026-6959 is a medium-severity vulnerability in Hashicorp Nomad, classified under Improper Link Resolution Before File Access. CVSS score: 6.0/10. Published 2026-05-12.

How severe is CVE-2026-6959?

Medium severity. CVSS v3 base score is 6.0 out of 10.

Vulnerability in Hashicorp Nomad

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 symlink attack. This vulnerability (CVE-2026-6959) is fixed in Nomad 2.0.1, 1.11.5 a…

EPSS: 0.000 (1.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N.

Affected products

Hashicorp Nomad — versions 0.9.0
Hashicorp Nomad Enterprise — versions 0.9.0

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

security@hashicorp.com

Frequently asked questions

What is CVE-2026-6959?: CVE-2026-6959 is a medium-severity vulnerability in Hashicorp Nomad, classified under Improper Link Resolution Before File Access. CVSS score: 6.0/10. Published 2026-05-12.
How severe is CVE-2026-6959?: Medium severity. CVSS v3 base score is 6.0 out of 10.