CVE-2025-4922: nomad — Fix

Description

Nomad Community and Nomad Enterprise (“Nomad”) prefix-based ACL policy lookup can lead to incorrect rule application and shadowing. This vulnerability, identified as CVE-2025-4922, is fixed in Nomad Community Edition 1.10.2 and Nomad Enterprise 1.10.2, 1.9.10, and 1.8.14.

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CVSS v3.1 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-266 CWE-266

Affected Products

Vendor	Product	Versions
hashicorp	nomad	1.4.0 — 1.8.14
hashicorp	nomad	1.4.0 — 1.10.2
hashicorp	nomad	1.9.0 — 1.9.10
hashicorp	nomad	1.10.0 — 1.10.2

References

Advisories & Patches

https://discuss.hashicorp.com/t/hcsec-2025-12-nomad-vulnerable-to-incorrect-acl-policy-lookup-attached-to-a-job/75396

Frequently Asked Questions

What is CVE-2025-4922? +

Nomad Community and Nomad Enterprise (“Nomad”) prefix-based ACL policy lookup can lead to incorrect rule application and shadowing. This vulnerability, identified as CVE-2025-4922, is fixed in Nomad Community Edition 1.10.2 and Nomad Enterprise 1.10.2, 1.9.10, and 1.8.14. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2025-4922? +

CVE-2025-4922 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-4922? +

CVE-2025-4922 affects products from hashicorp, specifically: nomad. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-4922? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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