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CVE-2026-14361— Consul-template is vulnerable to path redirection in writeToFile through 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 consul template是美国HashiCorp公司开源的一个服务配置模板生成工具。 HashiCorp Consul Template 0.42.1之前版本存在后置链接漏洞，该漏洞源于writeToFile模板助手中的路径重定向问题，可能导致模板输出写入预期目录之外或覆盖现有文件。

CVSS 4.7 · Medium EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
HashiCorp Tooling 0.1.0< 0.42.1 affected
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I. Basic Information for CVE-2026-14361

Vulnerability Information
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Vulnerability Title
Consul-template is vulnerable to path redirection in writeToFile through symlink attack
Source: CVE Program / CVE List V5
Vulnerability Description
The consul-template library before version 0.42.1 is vulnerable to a path redirection issue in the writeToFile template helper that may allow template output to be written outside the intended directory or to overwrite an existing file. This vulnerability (CVE-2026-14361) is fixed in consul-template 0.42.1.
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 Consul Template 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp consul template是美国HashiCorp公司开源的一个服务配置模板生成工具。 HashiCorp Consul Template 0.42.1之前版本存在后置链接漏洞，该漏洞源于writeToFile模板助手中的路径重定向问题，可能导致模板输出写入预期目录之外或覆盖现有文件。
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 ~ 0.42.1 -

II. Public POCs for CVE-2026-14361

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III. Intelligence Information for CVE-2026-14361

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Vendor Advisories for CVE-2026-14361 (1)

Same Patch Batch · HashiCorp · 2026-07-08 · 5 CVEs total

CVE-2026-14891 8.7 HIGH Nomad vulnerable to sandbox escape in Docker task driver
CVE-2026-14373 7.7 HIGH Nomad Docker driver Linux host namespace bypass
CVE-2026-14362 4.9 MEDIUM Denial of service via crafted push/pull gossip message in memberlist
CVE-2026-14896 4.2 MEDIUM Nomad vulnerable to cross-namespace host volume claim deletion

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-14361

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