How severe is CVE-2022-3866?

CVE-2022-3866 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2022-3866 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-3866?

CVE-2022-3866 primarily affects Hashicorp Nomad. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-3866?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-3866 published?

CVE-2022-3866 was published on 2022-11-10 and last updated on 2026-06-17.

CVE-2022-3866

CVE-2022-3866 is a medium-severity vulnerability in Hashicorp Nomad with a CVSS 3.x base score of 5.0. 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-668.

Key facts

Severity: Medium (CVSS 3.x base score 5.0)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-668
Affected product: Hashicorp Nomad
Published: 2022-11-10
Last modified: 2026-06-17

Description

HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.4.1 workload identity token can list non-sensitive metadata for paths under nomad/ that belong to other jobs in the same namespace. Fixed in 1.4.2.

Frequently asked questions

What is CVE-2022-3866?: HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.4.1 workload identity token can list non-sensitive metadata for paths under nomad/ that belong to other jobs in the same namespace. Fixed in 1.4.2.
How severe is CVE-2022-3866?: CVE-2022-3866 has a CVSS 3.x base score of 5.0, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2022-3866 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-3866?: CVE-2022-3866 primarily affects Hashicorp Nomad. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-3866?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-3866 published?: CVE-2022-3866 was published on 2022-11-10 and last updated on 2026-06-17.

References

https://discuss.hashicorp.com/t/hcsec-2022-25-nomad-s-workload-identity-token-can-list-non-sensitive-metadata-for-nomad-paths/46167

Affected products (4)

cpe:2.3:a:hashicorp:nomad:1.4.0:*:*:*:*:*:*:*
cpe:2.3:a:hashicorp:nomad:1.4.0:*:*:*:enterprise:*:*:*
cpe:2.3:a:hashicorp:nomad:1.4.1:*:*:*:*:*:*:*
cpe:2.3:a:hashicorp:nomad:1.4.1:*:*:*:enterprise:*:*:*

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