@frontmcp/adapters (>=1.0.0-beta.1, <=1.0.3), @frontmcp/plugin-approval (>=1.0.0-beta.1, <=1.0.3) +7 more potentially affected by CVE-2026-39885 via @frontmcp/sdk (>=1.0.0-beta.1, <=1.0.3)

@frontmcp/sdk NPM version =1.0.0-beta.1, =1.0.0-beta.1, =1.0.0-beta.1, =1.0.0-beta.1, =1.0.0-beta.1, =1.0.0-beta.1, =0.0.1, =1.0.0-beta.1, =1.0.0-beta.1, =0.0.1, =1.0.3 Source cves: CVE-2026-39885 Source advisory: GHSA-V6PH-XCQ9-QXXJ...

@frontmcp/adapters (>=1.0.0-beta.1, <=1.0.3), @frontmcp/plugin-approval (>=1.0.0-beta.1, <=1.0.3) +7 more potentially affected by CVE-2026-39885 via @frontmcp/sdk (>=1.0.0-beta.1, <=1.0.3)

@frontmcp/sdk NPM version =1.0.0-beta.1, =1.0.0-beta.1, =1.0.0-beta.1, =1.0.0-beta.1, =1.0.0-beta.1, =1.0.0-beta.1, =0.0.1, =1.0.0-beta.1, =1.0.0-beta.1, =0.0.1, =1.0.3 Source cves: CVE-2026-39885 Source advisory: OSV:GHSA-V6PH-XCQ9-QXXJ...

frontmcp code issue vulnerabilities

FrontMCP is an open-source MCP server development framework based on TypeScript, created by AgentFront. Versions of FrontMCP prior to 2.3.0 had code-related vulnerabilities. These vulnerabilities stemmed from the lack of restrictions on URL reference resolution, which could lead to server-side...

CVE-2026-39885: Server-Side Request Forgery (SSRF)

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...

@frontmcp/adapters (>=0.5.0, <=0.8.0), @frontmcp/plugin-approval (>=0.7.1, <=0.8.0) +9 more potentially affected by CVE-2026-25533 via enclave-vm (>=1.0.3, <=2.7.0)

enclave-vm NPM version =1.0.3, =0.5.0, =0.7.1, =0.7.1, =0.7.1, =0.7.1, =0.7.1, =0.5.0, =0.5.0, =0.5.0, =0.6.1, =0.8.0 - frontmcp 0.5.0 Source cves: CVE-2026-25533 Source advisory: SNYK:JS-ENCLAVEVM-15248348...

@frontmcp/adapters (>=0.5.0, <=0.6.3), @frontmcp/plugins (>=0.5.0, <=0.6.3) +4 more potentially affected by CVE-2026-22686 via enclave-vm (1.0.3)

enclave-vm NPM version 1.0.3 is affected by a known vulnerability. The following packages have a transitive dependency on enclave-vm and may be impacted: - @frontmcp/adapters =0.5.0, =0.5.0, =0.5.0, =0.5.0, =0.6.1, =0.6.3 - frontmcp 0.5.0 Source cves: CVE-2026-22686 Source advisory:...