Vulnerability · Published Oct 29, 2026 · Assigned by HashiCorp
CVE-2026-102260Nomad vulnerable to cross-namespace information disclosure in multiple endpoints
Medium 4.3
In plain English
A medium-severity incorrect authorization in Nomad from HashiCorp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Official 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 2.1.1 and Nomad Enterprise 2.1.0, 1.11.12, and 1.10.18.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HashiCorp | Nomad | 0.11.0 – before 2.1.1 |
| HashiCorp | Nomad Enterprise | 0.11.0 – before 2.1.0 |
Weakness: CWE-863 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N