Hashicorp Nomad ACLs Cannot Deny Access to Workload’s Own Variables

MEDIO 5.3CVE-2023-1296 · GHSA-hhvx-8755-4cvw · GO-2023-1899 · Published 14/03/2023 · updated 17/06/2026

Package	Affected versions	Patched versions
github.com/hashicorp/nomad Go	`≥ 1.4.0, < 1.4.6≥ 1.5.0, < 1.5.1`	`1.4.61.5.1`
nomad hashicorp	`= 1.5.0≥ 1.4.0, < 1.4.6`	`1.4.6`

Description

A vulnerability was identified in Nomad and Nomad Enterprise (“Nomad”) such that a deny ACL capability could not be applied to a workload’s own variables. If included, the Nomad ACL system will silently fail to block access. This vulnerability, CVE-2023-1296, was fixed in Nomad 1.4.6 and 1.5.1.

NVD 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.

References

nvd.nist.gov/vuln/detail/CVE-2023-1296 · ADVISORY
discuss.hashicorp.com/t/hcsec-2023-09-nomad-acls-can-not-deny-access-to-workloads-own-variables/51390 · WEB
hashicorp/nomad · PACKAGE
GitHub Advisory GHSA-hhvx-8755-4cvw · ADVISORY

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