Skip to content
OpenAdvisories
Medium · 4.3 CVE-2026-102260 EUVD-2026-113317GHSA-v86q-pc4q-725p

Nomad vulnerable to cross-namespace information disclosure in multiple endpoints

Published Oct 29, 2026 · Updated Oct 30, 2026 · Assigned by HashiCorp

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

VendorProductAffectedFixed
HashiCorp Nomad 0.11.0 – < 2.1.1 2.1.1
HashiCorp Nomad Enterprise 0.11.0 – < 2.1.0 2.1.0

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Ubuntu 20.04 LTS nomad No fix yet —
Ubuntu 18.04 LTS nomad No fix yet —

References