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CVE-2023-1296

Nomad ACLs Can Not Deny Access to Workload's Own Variables

2.7 LowFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

Exploit likelihood

0.54%Up 0.5 points since Mar 15, 2023
90%50%10%1%

What each source reports

CVE List Score used 2.7

Nomad ACLs Can Not Deny Access to Workload's Own Variables

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.

Record
CVE-2023-1296
CVSS 3.1
2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-682
Updated
2026-11-02
EUVDEUVD-2023-2078 2.7

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.

Record
EUVD-2023-2078
CVSS 3.1
2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-hhvx-8755-4cvw 5.3

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

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.

Record
GHSA-hhvx-8755-4cvw
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
NVD 2.7

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.

Record
CVE-2023-1296
CVSS 3.1
2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-682, CWE-862
Updated
2026-11-02
OSVALPINE-CVE-2023-1296 5.3

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.

Record
ALPINE-CVE-2023-1296
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-03
OSV 2.7

Nomad ACLs Can Not Deny Access to Workload's Own Variables

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.

Record
CVE-2023-1296
CVSS 3.1
2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-682
Updated
2026-11-02
OSVGHSA-hhvx-8755-4cvw 5.3

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

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.

Record
GHSA-hhvx-8755-4cvw
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVUBUNTU-CVE-2023-1296 2.7

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.

Record
UBUNTU-CVE-2023-1296
CVSS 3.1
2.7 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1
5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated
2026-11-02
OSVGO-2023-1899 No score

Hashicorp Nomad ACLs Cannot Deny Access to Workload’s Own Variables in github.com/hashicorp/nomad

Hashicorp Nomad ACLs Cannot Deny Access to Workload’s Own Variables in github.com/hashicorp/nomad

Record
GO-2023-1899
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
github.com/hashicorp/nomad
Go
 1.4.0 up to 1.4.6
1.4.6
github.com/hashicorp/nomad
Go
 1.5.0 to 1.5.0
1.5.1
nomad
Alpine:v3.17
 1.4.0 up to 1.4.6-r0
1.4.6-r0
nomad
Alpine:v3.18
 1.4.0 up to 1.5.1-r0
1.5.1-r0
github.com/hashicorp/nomad
Go
 1.5.0 up to 1.5.1
1.5.1
github.com/hashicorp/nomad
Go
 1.4.0 up to 1.4.6, 1.5.0 up to 1.5.1
1.4.61.5.1
nomad
Ubuntu:18.04:LTS
 All versions, plus listed versions
0.4.0+dfsg-1
 None known
nomad
Ubuntu:20.04:LTS
 All versions, plus listed versions
0.8.7+dfsg1-1ubuntu1
 None known

History

History
RecordedChangedSources
affected, aliases, referencesOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-1296 is a low vulnerability (CVSS 2.7) in Hashicorp Nomad, published March 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.54%, the 45th percentile. Fixed in github.com/hashicorp/nomad 1.4.6.

References

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