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CVE-2026-5061— Consul-template vulnerable to sandbox path bypass in file helper via a symlink attack

Quick assessment

Affected
HashiCorp Tooling
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 Tooling是美国HashiCorp公司的一系列面向基础设施自动化、云资源管理与安全运维的软件工具。 HashiCorp Tooling 0.42.0之前版本存在后置链接漏洞，该漏洞源于文件模板助手存在沙箱路径绕过，可能导致读取沙箱外文件。

CVSS 4.7 · Medium EPSS 0.14% · P3

Possible ATT&CK Techniques 1 AI

T1083 · File and Directory Discovery

Affected Version Matrix 1

VendorProduct Version RangeStatus
HashiCorp Tooling 0.1.0< 0.42.0 affected
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I. Basic Information for CVE-2026-5061

Vulnerability Information
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Vulnerability Title
Consul-template vulnerable to sandbox path bypass in file helper via a symlink attack
Source: CVE Program / CVE List V5
Vulnerability Description
The consul-template library before version 0.42.0 is vulnerable to a sandbox path bypass in the file template helper that may allow reading an out-of-sandbox file. This vulnerability (CVE-2026-5061) is fixed in consul-template 0.42.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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
Vulnerability Title
HashiCorp Tooling 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp Tooling是美国HashiCorp公司的一系列面向基础设施自动化、云资源管理与安全运维的软件工具。 HashiCorp Tooling 0.42.0之前版本存在后置链接漏洞，该漏洞源于文件模板助手存在沙箱路径绕过，可能导致读取沙箱外文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
HashiCorp Tooling 0.1.0 ~ 0.42.0 -

II. Public POCs for CVE-2026-5061

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III. Intelligence Information for CVE-2026-5061

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Vendor Advisories for CVE-2026-5061 (1)

Same Patch Batch · HashiCorp · 2026-05-12 · 4 CVEs total

CVE-2026-7474 8.8 HIGH Nomad vulnerable to path traversal in dynamic host volume which may lead to code execution
CVE-2026-6959 6.0 MEDIUM Nomad vulnerable to arbitrary file read/write on client host through symlink attack
CVE-2026-8052 6.0 MEDIUM Nomad's exec2 task driver vulnerable to arbitrary file read/write on client host through s

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-5061

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