What is CVE-2023-1296?

CVE-2023-1296 is a low-severity vulnerability in Hashicorp Nomad, classified under Incorrect Calculation. CVSS score: 2.7/10. Published 2023-03-14.

How severe is CVE-2023-1296?

Low severity. CVSS v3 base score is 2.7 out of 10.

Auth bypass in Hashicorp Nomad

CVE-2023-1296

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.

Published 2023-03-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 2.7 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.5th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

Hashicorp Nomad — versions 1.5.0, 1.4.0
Hashicorp Nomad Enterprise — versions 1.5.0, 1.4.0

Weakness classification (CWE)

References

discuss.hashicorp.com/t/hcsec-2023-09-nomad-acls-can-not-deny-access-to-workloa… (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2023-1296?: CVE-2023-1296 is a low-severity vulnerability in Hashicorp Nomad, classified under Incorrect Calculation. CVSS score: 2.7/10. Published 2023-03-14.
How severe is CVE-2023-1296?: Low severity. CVSS v3 base score is 2.7 out of 10.