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CVE-2026-119168— Nomad allocation data migration may allow host directory permission modification via symlink following

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 存在一个漏洞：在执行同一客户端的分配数据迁移时，系统会错误地跟随符号链接（symlink），这可能导致恶意工作负载修改主机目录的权限和所有权。该漏洞可能使攻击者未经授权访问主机数据或篡改主机文件，进而引发权限提升。此漏洞（CVE-2026-119168）已在 Nomad 2.1.0、Nomad Enterprise 2.1.0、1.11.12 和 1.10.18 版本中修复。

CVSS 8.8 · High

Affected Version Matrix 2

VendorProduct Version RangeStatus
HashiCorp Nomad 0.5.3< 2.1.0 affected
HashiCorp Nomad Enterprise 0.5.3< 2.1.0 affected
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I. Basic Information for CVE-2026-119168

Vulnerability Information
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Vulnerability Title
Nomad allocation data migration may allow host directory permission modification via symlink following
Source: CVE Program / CVE List V5
Vulnerability Description
HashiCorp Nomad and Nomad Enterprise are vulnerable to symlink following during same-client allocation data migration that may allow a malicious workload to change permissions and ownership of host directories. This could allow unauthorized access to host data or modification of host files, potentially leading to privilege escalation. This vulnerability (CVE-2026-119168) is fixed in Nomad 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:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HashiCorp Nomad 0.5.3 ~ 2.1.0 -
HashiCorp Nomad Enterprise 0.5.3 ~ 2.1.0 -

II. Public POCs for CVE-2026-119168

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III. Intelligence Information for CVE-2026-119168

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Other References for CVE-2026-119168 (1)

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

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
CVE-2026-102260 4.3 MEDIUM Nomad vulnerable to cross-namespace information disclosure in multiple endpoints

IV. Related Vulnerabilities

Same product: Nomad
Same vendor: HashiCorp
Same weakness: CWE-59