CVE-2026-115751

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...

CVE-2026-115750

mcp-from-openapi from 2.5.0 before 2.9.0 contains a credential exposure vulnerability that allows attackers to capture Authorization and Cookie headers because safeFetch forwards them on cross-origin redirects. Attackers controlling a spec host or abusing an open redirect can redirect fromURL spe...

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

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...

CVE-2026-115751

The Agentfront mcp-from-openapi package (versions 2.2.0 through 2.8.x ) is vulnerable to a Server-Side Request Forgery (SSRF) . The root cause is an incomplete list of disallowed inputs, where the ssrf.blockedHosts denylist can be bypassed using trailing-dot hostnames . An attacker who controls a...

EUVD-2026-108959

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...

CVE-2026-115750

The mcp-from-openapi library (versions 2.5.0 before 2.9.0 ) is vulnerable to a credential exposure flaw. The root cause is that the safeFetch() function forwards Authorization and Cookie headers during cross-origin redirects. An attacker controlling a specification host or exploiting an open redi...

CVE-2026-115750 mcp-from-openapi from 2.5.0 before 2.9.0 Credential Leak via Cross-Origin Redirects

mcp-from-openapi from 2.5.0 before 2.9.0 contains a credential exposure vulnerability that allows attackers to capture Authorization and Cookie headers because safeFetch forwards them on cross-origin redirects. Attackers controlling a spec host or abusing an open redirect can redirect fromURL spe...

EUVD-2026-108958

mcp-from-openapi from 2.5.0 before 2.9.0 contains a credential exposure vulnerability that allows attackers to capture Authorization and Cookie headers because safeFetch forwards them on cross-origin redirects. Attackers controlling a spec host or abusing an open redirect can redirect fromURL spe...

@frontmcp/adapters (>=1.0.4, <=1.5.0-rc.1), @frontmcp/plugin-skilled-openapi (>=0.0.1, <=1.5.0-rc.1) potentially affected by CVE-2026-59973 via mcp-from-openapi (>=2.3.0, <=2.4.0)

mcp-from-openapi NPM version =2.3.0, =1.0.4, =0.0.1, =1.5.0-rc.1 Source cves: CVE-2026-59973 Source advisory: MEND:CVE-2026-59973...

CVE-2026-59973 mcp-from-openapi: Bypass of OpenAPI external $ref SSRF fix in latest FrontMCP and mcp-from-openapi

FrontMCP is a TypeScript-first framework for the Model Context Protocol MCP. From mcp-from-openapi 2.3.0 until 2.5.0 and from frontmcp and @frontmcp/adapters 1.2.1 until 1.5.0, libs/adapters/src/openapi/openapi.adapter.ts loadOpenAPISpec forwards untrusted OpenAPI url and spec inputs and...

CVE-2026-59973 mcp-from-openapi: Bypass of OpenAPI external $ref SSRF fix in latest FrontMCP and mcp-from-openapi

FrontMCP is a TypeScript-first framework for the Model Context Protocol MCP. From mcp-from-openapi 2.3.0 until 2.5.0 and from frontmcp and @frontmcp/adapters 1.2.1 until 1.5.0, libs/adapters/src/openapi/openapi.adapter.ts loadOpenAPISpec forwards untrusted OpenAPI url and spec inputs and...

CVE-2026-59973: Server-Side Request Forgery (SSRF)

FrontMCP is a TypeScript-first framework for the Model Context Protocol MCP. From mcp-from-openapi 2.3.0 until 2.5.0 and from frontmcp and @frontmcp/adapters 1.2.1 until 1.5.0, libs/adapters/src/openapi/openapi.adapter.ts loadOpenAPISpec forwards untrusted OpenAPI url and spec inputs and...

NPM: FrontMCP and mcp-from-openapi have bypass of OpenAPI external $ref SSRF fix

NPM: FrontMCP and mcp-from-openapi have bypass of OpenAPI external $ref SSRF fix vulnerability discovered by ? in WordPress Npm mcp-from-openapi versions = 2.3.0, 2.5.0...

FrontMCP and mcp-from-openapi have bypass of OpenAPI external $ref SSRF fix

Summary The published fix for GHSA-v6ph-xcq9-qxxj / CVE-2026-39885 added a direct hostname denylist for OpenAPI external $ref dereferencing, but the latest patched dependency mcp-from-openapi 2.3.0 still makes backend-origin requests to loopback when the target is reached through hostname...

@frontmcp/adapters (>=1.0.4, <=1.5.0-rc.1), @frontmcp/plugin-skilled-openapi (>=0.0.1, <=1.5.0-rc.1) potentially affected by CVE-2026-39885 +1 more via mcp-from-openapi (>=2.3.0, <=2.4.0)

mcp-from-openapi NPM version =2.3.0, =1.0.4, =0.0.1, =1.5.0-rc.1 Source cves: CVE-2026-39885, CVE-2026-59973 Source advisory: GHSA-65H7-9WRW-629C...

@frontmcp/adapters (>=1.0.4, <=1.5.0-rc.1), @frontmcp/plugin-skilled-openapi (>=0.0.1, <=1.5.0-rc.1) potentially affected by CVE-2026-59973 via mcp-from-openapi (>=2.3.0, <=2.4.0)

mcp-from-openapi NPM version =2.3.0, =1.0.4, =0.0.1, =1.5.0-rc.1 Source cves: CVE-2026-59973 Source advisory: OSV:GHSA-65H7-9WRW-629C...

NPM: FrontMCP and mcp-from-openapi have bypass of OpenAPI external $ref SSRF fix

NPM: FrontMCP and mcp-from-openapi have bypass of OpenAPI external $ref SSRF fix vulnerability discovered by ? in WordPress Npm frontmcp versions = 1.2.1, 1.5.0...

GHSA-65H7-9WRW-629C FrontMCP and mcp-from-openapi have bypass of OpenAPI external $ref SSRF fix

Summary The published fix for GHSA-v6ph-xcq9-qxxj / CVE-2026-39885 added a direct hostname denylist for OpenAPI external $ref dereferencing, but the latest patched dependency mcp-from-openapi 2.3.0 still makes backend-origin requests to loopback when the target is reached through hostname...

PT-2026-90548

Summary The published fix for GHSA-v6ph-xcq9-qxxj / CVE-2026-39885 added a direct hostname denylist for OpenAPI external $ref dereferencing, but the latest patched dependency mcp-from-openapi 2.3.0 still makes backend-origin requests to loopback when the target is reached through hostname...

CVE-2026-39885

FrontMCP is a TypeScript-first framework for the Model Context Protocol MCP. Prior to 2.3.0, the mcp-from-openapi library uses @apidevtools/json-schema-ref-parser to dereference $ref pointers in OpenAPI specifications without configuring any URL restrictions or custom resolvers. A malicious OpenA...