Vulnerability in Hashicorp Nomad

CVE-2026-107347

HashiCorp Nomad and Nomad Enterprise are vulnerable to symlink following during dispatch payload and executor log writes that may allow a malicious workload to modify files outside its allocation directory. When the client agent runs as root, this could lead to code execution as root on the client host. This vulnerability (CVE-2026-107347) is fixed in Nomad 2.1.0 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.

Published .

CVSS v3 metric

CVSS v3 base score 8.4 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-107347?
CVE-2026-107347 is a high-severity vulnerability in Hashicorp Nomad, classified under Improper Link Resolution Before File Access. CVSS score: 8.4/10. Published 2026-10-29.
How severe is CVE-2026-107347?
High severity. CVSS v3 base score is 8.4 out of 10.