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CVE-2026-115751— mcp-from-openapi 2.2.0 before 2.9.0 SSRF blockedHosts Bypass via Trailing-Dot Hostname

Quick assessment

Affected
agentfront mcp-from-openapi
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.

Agentfront 的 组件在 2.2.0 至 2.9.0（不含 2.9.0）版本中存在服务器端请求伪造（SSRF）漏洞。该漏洞允许攻击者通过在主机名末尾添加点号（trailing-dot）的方式，绕过 白名单/黑名单机制。若攻击者能够控制 OpenAPI 规范 URL 或重定向目标，他们即可在已被阻止的主机名后追加根点（root dot），从而从运营方已屏蔽的主机获取内容。

CVSS 3.7 · Low

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
agentfront mcp-from-openapi 2.2.0< 2.9.0 affected
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I. Basic Information for CVE-2026-115751

Vulnerability Information
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Vulnerability Title
mcp-from-openapi 2.2.0 before 2.9.0 SSRF blockedHosts Bypass via Trailing-Dot Hostname
Source: CVE Program / CVE List V5
Vulnerability Description
Agentfront mcp-from-openapi from 2.2.0 before 2.9.0 contains a server-side request forgery vulnerability that allows attackers to bypass the ssrf.blockedHosts denylist using trailing-dot hostnames. Attackers who control an OpenAPI spec URL or redirect target can append a root dot to a blocked hostname to fetch content from operator-blocked hosts.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不完整的黑名单
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
agentfront mcp-from-openapi 2.2.0 ~ 2.9.0 -

II. Public POCs for CVE-2026-115751

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III. Intelligence Information for CVE-2026-115751

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Patches & Fixes for CVE-2026-115751 (1)

Vendor Advisories for CVE-2026-115751 (2)

Vendor Pages for CVE-2026-115751 (1)

IV. Related Vulnerabilities

Same product: mcp-from-openapi
Same vendor: agentfront
Same weakness: CWE-184

V. Comments for CVE-2026-115751

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