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CVE-2026-16328— consul-mcp-server vulnerable to server side request forgery leading to token exposure

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-mcp-server是美国HashiCorp公司的一款服务端软件产品。 HashiCorp consul-mcp-server 0.1.3及之前版本存在服务端请求伪造漏洞，该漏洞源于未限制Consul后端地址的提供方式，允许连接的客户端通过请求头覆盖服务器配置的Consul地址，可能导致恶意客户端将服务器的Consul API流量重定向到攻击者控制的端点，从而泄露服务器配置的Consul令牌。

CVSS 8.6 · High EPSS 0.23% · P14

Affected Version Matrix 1

VendorProduct Version RangeStatus
HashiCorp Tooling 0.1.0< 0.1.4 affected
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I. Basic Information for CVE-2026-16328

Vulnerability Information
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Vulnerability Title
consul-mcp-server vulnerable to server side request forgery leading to token exposure
Source: CVE Program / CVE List V5
Vulnerability Description
In consul-mcp-server, versions 0.1.0 up to 0.1.3 did not restrict how the Consul backend address was supplied, allowing a connected client to override the server's configured Consul address via a request header. This may allow a malicious client to redirect the server's Consul API traffic to an attacker-controlled endpoint, potentially exfiltrating the Consul token configured on the server. This vulnerability, CVE-2026-16328, is fixed in consul-mcp-server 0.1.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
HashiCorp consul-mcp-server 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp consul-mcp-server是美国HashiCorp公司的一款服务端软件产品。 HashiCorp consul-mcp-server 0.1.3及之前版本存在服务端请求伪造漏洞，该漏洞源于未限制Consul后端地址的提供方式，允许连接的客户端通过请求头覆盖服务器配置的Consul地址，可能导致恶意客户端将服务器的Consul API流量重定向到攻击者控制的端点，从而泄露服务器配置的Consul令牌。
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 ~ 0.1.4 -

II. Public POCs for CVE-2026-16328

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III. Intelligence Information for CVE-2026-16328

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Vendor Advisories for CVE-2026-16328 (1)

IV. Related Vulnerabilities

Same product: Tooling
Same vendor: HashiCorp
Same weakness: CWE-918

V. Comments for CVE-2026-16328

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