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Vulnerability record · CVE-2026-14891 · published 8 July 2026

CVE-2026-14891: Link following vulnerability

HashiCorp Nomad and Nomad Enterprise are vulnerable to a sandbox escape in the Docker task driver that may allow a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially leading to reading and writing files on the host. This vulnerability, CVE-2026-14891, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.

8.7 CVSS 3.1 High EPSS 0.49% · top 60.5% CWE-59 · Link following Deferred
8.7CVSS 3.1 base score
0.49%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
9 Jul 2026Last modified by NVD

Description

HashiCorp Nomad and Nomad Enterprise are vulnerable to a sandbox escape in the Docker task driver that may allow a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially leading to reading and writing files on the host. This vulnerability, CVE-2026-14891, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N

References

LinkTags
https://discuss.hashicorp.com/t/hcsec-2026-21-nomad-vulnerable-to-sandbox-escape-in-docker-task-driver/77561

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Source: NIST National Vulnerability Database (record CVE-2026-14891), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.