Nomad 2.0.1, Nomad Enterprise 2.0.1+ent, 1.11.5+ent, and 1.10.11+ent released

[Tim Gross]

The Nomad team has released Nomad 2.0.1!

The release includes critical security patches:

• A patch to logmon setup that prevents a task from swapping logmon’s files out for symlinks. For a full description of the vulnerability, refer to bulletin HCSEC-14. We have issued CVE-2026-6959 for this bug.
• A patch to Dynamic Host Volume creation that prevents an authorized user from running arbitrary executables on the host. For a full description of the vulnerability, refer to bulletin HCSEC-15. We have issued CVE-2026-7474 for this bug.

We’re also releasing a new version of the exec2 driver, v0.1.2. This fixes the logmon symlink vulnerability for the exec2 driver. We have issued CVE-2026-8052 for this bug. For a full description of the exec2 vulnerability, refer to bulletin HCSEC-2026-13. Other external task drivers do not need additional patches. 

The Nomad 2.0.1 release also includes a number of improvements and bug fixes, and minor security patches.

• Added opt-in monitoring to the job dispatch command.
• Registering a job that has a service block now emits a warning if no tasks have a shutdown_delay.
• The allocation logs directory is now mounted read-only for task drivers that support filesystem isolation.
• Added a new scheduler configuration option to allow tuning performance vs accuracy of spread/affinity blocks. 
• Fixed a bug where soft-mandatory Sentinel policies on volumes did not require sentinel-override ACL capability to override.

Please refer to the changelog for the complete list of improvements and bug fixes. We are also releasing backports of security fixes and bug fixes to Nomad Enterprise v1.11.5+ent and v1.10.11+ent.

Please read the upgrade guide for notes around upgrading and remember that downgrading is not supported. Please do not hesitate to file an issue on GitHub if you encounter any issues.

Thanks,

The Nomad Team

2.0.1 Binaries -  https://releases.hashicorp.com/nomad/2.0.1/

2.0.1 Changelog - https://github.com/hashicorp/nomad/releases/tag/v2.0.1

2.0.1 Release notes - https://developer.hashicorp.com/nomad/docs/release-notes/nomad/v2-0-x

Tim Gross

Staff Software Engineer, Nomad

IBM Software

tim....@ibm.com

@tgross GitHub

IBM