CVE-2026-102260

Nomad vulnerable to cross-namespace information disclosure in multiple endpoints

State: Published
Severity: 4.3 Medium
Published: Oct 29, 2026
Updated: Oct 29, 2026
Reserved: Sep 28, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N	HashiCorp

Weaknesses

CWE-863 Incorrect Authorization

Affected Products

Product	Versions
NomadHashiCorp	0.11.0 to before 2.1.0Affected
Nomad EnterpriseHashiCorp	0.11.0 to before 2.1.0Affectedfrom 1.11.12Not affectedfrom 1.10.18Not affected

References

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

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