CVE-2026-102260

MEDIUM 4.3

Nomad vulnerable to cross-namespace information disclosure in multiple endpoints

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

HashiCorp Nomad and Nomad Enterprise are vulnerable to cross-namespace authorization bypasses in several read-only API endpoints that may allow an authenticated user with read permissions in one namespace to view information about objects in other namespaces. This vulnerability (CVE-2026-102260) is fixed in Nomad Community Edition 2.1.0 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.

CWE	CWE-863
Vendor	hashicorp
Product	nomad
Published	Oct 29, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

HashiCorp / Nomad

0.11.0 < 2.1.0

HashiCorp / Nomad Enterprise

0.11.0 < 2.1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

discuss.hashicorp.com: https://discuss.hashicorp.com/t/hcsec-2026-51-nomad-vulnerable-to-cross-namespace-information-disclosure-in-multiple-endpoints/77929

Credits

This issue was reported to HashiCorp by Wenhao Wu (Southeast University).