UBUNTU-CVE-2026-14891
HashiCorp Nomad and Nomad Enterprise contain a sandbox escape vulnerability in the Docker task driver. This flaw allows a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially enabling unauthorized reading and writing of host files. The issue is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise versions 2.0.4, 1.11.8, and 1.10.14. Affected Ubuntu package versions include 0.4.0+dfsg-1 and 0.8.7+dfsg1-1ubuntu1. No known exploits are reported in the wild.
AI Analysis
Technical Summary
CVE-2026-14891 affects HashiCorp Nomad and Nomad Enterprise by enabling a sandbox escape via the Docker task driver. Specifically, a job submitter can bypass restrictions on volume bind mounts to mount host paths inside containers, potentially allowing unauthorized file access and modification on the host. This vulnerability is addressed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.
Potential Impact
Successful exploitation allows a user submitting jobs to Nomad to escape the container sandbox and bind-mount arbitrary host paths, leading to potential unauthorized reading and writing of host files. This compromises confidentiality and integrity of the host system. Availability impact is not indicated.
Mitigation Recommendations
Apply the official fixes by upgrading to Nomad Community Edition 2.0.4 or Nomad Enterprise 2.0.4, 1.11.8, or 1.10.14. These versions contain patches that address this sandbox escape vulnerability. No other mitigation guidance is provided.
UBUNTU-CVE-2026-14891
Description
HashiCorp Nomad and Nomad Enterprise contain a sandbox escape vulnerability in the Docker task driver. This flaw allows a job submitter to bind-mount a host path into a container even when volume bind mounts are disabled, potentially enabling unauthorized reading and writing of host files. The issue is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise versions 2.0.4, 1.11.8, and 1.10.14. Affected Ubuntu package versions include 0.4.0+dfsg-1 and 0.8.7+dfsg1-1ubuntu1. No known exploits are reported in the wild.
CVSS v3.1
Score 8.7high
Affected software
pkg:deb/ubuntu/[email protected]+dfsg-1?arch=source&distro=bionicpkg:deb/ubuntu/[email protected]+dfsg1-1ubuntu1?arch=source&distro=focalRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-14891 affects HashiCorp Nomad and Nomad Enterprise by enabling a sandbox escape via the Docker task driver. Specifically, a job submitter can bypass restrictions on volume bind mounts to mount host paths inside containers, potentially allowing unauthorized file access and modification on the host. This vulnerability is addressed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.
Potential Impact
Successful exploitation allows a user submitting jobs to Nomad to escape the container sandbox and bind-mount arbitrary host paths, leading to potential unauthorized reading and writing of host files. This compromises confidentiality and integrity of the host system. Availability impact is not indicated.
Mitigation Recommendations
Apply the official fixes by upgrading to Nomad Community Edition 2.0.4 or Nomad Enterprise 2.0.4, 1.11.8, or 1.10.14. These versions contain patches that address this sandbox escape vulnerability. No other mitigation guidance is provided.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-14891
- Osv Schema Version
- 1.7.0
- Aliases
- []
- Ecosystems
- ["Ubuntu:18.04:LTS","Ubuntu:20.04:LTS"]
- Database Specific Severity
- null
- Cvss Version
- 3.1
Threat ID: 6a58b4f568715ace43db2013
Added to database: 07/16/2026, 10:39:49 UTC
Last enriched: 07/16/2026, 14:01:02 UTC
Last updated: 07/31/2026, 19:24:47 UTC
Views: 6
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