---
id: CVE-2026-115751
title: >-
  mcp-from-openapi 2.2.0 before 2.9.0 SSRF blockedHosts Bypass via Trailing-Dot
  Hostname
summary: >-
  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 U…
severity: low
cvss: 3.7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-184
vendor: agentfront
product: mcp-from-openapi
affected:
  - mcp-from-openapi >= 2.2.0 < 2.9.0
published: '2026-10-23'
updated: '2026-10-23'
sourceUpdated: '2026-10-23T13:03:33.492Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115751'
references:
  - url: >-
      https://github.com/agentfront/mcp-from-openapi/security/advisories/GHSA-ff5q-5r4v-fw4v
    label: GitHub Security Advisory (GHSA-ff5q-5r4v-fw4v)
  - url: 'https://github.com/agentfront/mcp-from-openapi/pull/42'
  - url: >-
      https://github.com/agentfront/mcp-from-openapi/commit/47fb7a655de33958b0c923490ab244343eb5fc44
  - url: 'https://github.com/agentfront/mcp-from-openapi/releases/tag/v2.9.0'
    label: mcp-from-openapi v2.9.0 Release Notes
  - url: >-
      https://www.vulncheck.com/advisories/mcp-from-openapi-2.2.0-before-2.9.0-ssrf-blockedhosts-bypass-via-trailing-dot-hostname
    label: >-
      VulnCheck Advisory: mcp-from-openapi 2.2.0 before 2.9.0 SSRF blockedHosts
      Bypass via Trailing-Dot Hostname
tags:
  - cve.org
ingestedAt: '2026-10-23T13:24:55.500Z'
---

## Overview

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.

## Affected

- `mcp-from-openapi >= 2.2.0 < 2.9.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.