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CVE-2026-102260— Nomad vulnerable to cross-namespace information disclosure in multiple endpoints

Quick assessment

Affected
HashiCorp Nomad
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HashiCorp Nomad 和 Nomad Enterprise 在多个只读 API 端点中存在跨命名空间授权绕过漏洞，可能导致拥有某个命名空间只读权限的已认证用户查看其他命名空间中对象的信息。该漏洞（CVE-2026-102260）已在以下版本中修复：Nomad 社区版 2.1.0，以及 Nomad Enterprise 2.1.0、1.11.12 和 1.10.18。

CVSS 4.3 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
HashiCorp Nomad 0.11.0< 2.1.0 affected
HashiCorp Nomad Enterprise 0.11.0< 2.1.0 affected
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I. Basic Information for CVE-2026-102260

Vulnerability Information
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Vulnerability Title
Nomad vulnerable to cross-namespace information disclosure in multiple endpoints
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HashiCorp Nomad 0.11.0 ~ 2.1.0 -
HashiCorp Nomad Enterprise 0.11.0 ~ 2.1.0 -

II. Public POCs for CVE-2026-102260

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III. Intelligence Information for CVE-2026-102260

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Other References for CVE-2026-102260 (1)

Same Patch Batch · HashiCorp · 2026-10-29 · 4 CVEs total

CVE-2026-119168 8.8 HIGH Nomad allocation data migration may allow host directory permission modification via symli
CVE-2026-13303 8.7 HIGH Boundary vulnerable to server-side request forgery in Vault credential store
CVE-2026-107347 8.4 HIGH Nomad dispatch payload writes can escape the allocation directory through symlinks

IV. Related Vulnerabilities

Same product: Nomad
Same vendor: HashiCorp
Same weakness: CWE-863