CVE-2026-14373
Nomad Docker driver Linux host namespace bypass
Description
HashiCorp Nomad and Nomad Enterprise did not enforce the allow_privileged restriction for the Docker task driver's host namespace mode options. This may allow an authenticated job submitter to run a container in a host namespace and access information belonging to the host or to other workloads on the same client. This vulnerability, CVE-2026-14373, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14.
INFO
Published Date :
July 8, 2026, 8:16 p.m.
Last Modified :
July 8, 2026, 9:16 p.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 67fedba0-ff2e-4543-ba5b-aa93e87718cc | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Nomad Enterprise to 2.0.4, 1.11.8, or 1.10.14.
- Update Nomad Community Edition to 2.0.4.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-14373.
| URL | Resource |
|---|---|
| https://discuss.hashicorp.com/t/hcsec-2026-19-nomad-docker-driver-vulnerable-to-host-namespace-bypass-on-linux/77557 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-14373 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-14373
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-14373 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-14373 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 08, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-14373', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-08T20:37:33.792550Z'} -
New CVE Received by [email protected]
Jul. 08, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://github.com/hashicorp/nomad', 'vendor': 'HashiCorp', 'product': 'Nomad', 'versions': [{'status': 'affected', 'version': '0.4.1', 'lessThan': '2.0.4', 'versionType': 'semver'}], 'platforms': ['64 bit', '32 bit', 'x86', 'ARM', 'MacOS', 'Windows', 'Linux'], 'defaultStatus': 'unaffected'}, {'repo': 'https://github.com/hashicorp/nomad', 'vendor': 'HashiCorp', 'product': 'Nomad Enterprise', 'versions': [{'status': 'affected', 'changes': [{'at': '1.11.8', 'status': 'unaffected'}, {'at': '1.10.14', 'status': 'unaffected'}], 'version': '0.4.1', 'lessThan': '2.0.4', 'versionType': 'semver'}], 'platforms': ['64 bit', '32 bit', 'x86', 'ARM', 'MacOS', 'Windows', 'Linux'], 'defaultStatus': 'unaffected'}] Added Description HashiCorp Nomad and Nomad Enterprise did not enforce the allow_privileged restriction for the Docker task driver's host namespace mode options. This may allow an authenticated job submitter to run a container in a host namespace and access information belonging to the host or to other workloads on the same client. This vulnerability, CVE-2026-14373, is fixed in Nomad Community Edition 2.0.4 and Nomad Enterprise 2.0.4, 1.11.8, and 1.10.14. Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Added CWE CWE-862 Added Reference https://discuss.hashicorp.com/t/hcsec-2026-19-nomad-docker-driver-vulnerable-to-host-namespace-bypass-on-linux/77557