How severe is CVE-2025-4922?

CVE-2025-4922 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-4922 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4922?

CVE-2025-4922 primarily affects Hashicorp Nomad. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-4922?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-4922 have an EU (EUVD) identifier?

Yes. CVE-2025-4922 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18112.

When was CVE-2025-4922 published?

CVE-2025-4922 was published on 2025-06-11 and last updated on 2026-06-17.

CVE-2025-4922

CVE-2025-4922 is a high-severity vulnerability in Hashicorp Nomad with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18112
Weakness: CWE-266
Affected product: Hashicorp Nomad
Published: 2025-06-11
Last modified: 2026-06-17

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.

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.
How severe is CVE-2025-4922?: CVE-2025-4922 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-4922 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4922?: CVE-2025-4922 primarily affects Hashicorp Nomad. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-4922?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-4922 have an EU (EUVD) identifier?: Yes. CVE-2025-4922 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18112.
When was CVE-2025-4922 published?: CVE-2025-4922 was published on 2025-06-11 and last updated on 2026-06-17.

References

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

Affected products (2)

cpe:2.3:a:hashicorp:nomad:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:hashicorp:nomad:*:*:*:*:-:*:*:*

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