Medium, CVSS 6.4npmAmendedPublished
NocoBase has SSRF in Workflow HTTP Request and Custom Request Plugins
CVE-2026-40346 · GHSA-mvvv-v22x-xqwp
- Affected
- npm @nocobase/plugin-workflow-request < 2.0.37
- Fixed in
- 2.0.37· Vendor fix available
- Issue
- NocoBase's workflow HTTP request plugin and custom request action plugin make server-side HTTP requests to user-provided URLs without any SSRF protection. An authenticated user can access internal network services, cloud metadata endpoints, and localhost. Vulnerable Code 1. Workflow HTTP Request Plugin packages/plugins/@nocobase/plugin-workflow-request/src/server/RequestInstruction.ts lines 117-128: The url at line 98 comes directly from user workflow configuration with only whitespace trimming. 2. Custom Request Action Plugin packages/plugins/@nocobase/plugin-action-custom-request/src/server/actions/send.ts lines 172-198: Missing Protections - No request-filtering-agent or SSRF library (confirmed via grep across entire codebase) - No private IP range filtering - No cloud metadata endpoint blocking - No URL scheme validation - No DNS rebinding protection Attack Scenario 1. Authenticated user creates a workflow with HTTP Request node 2. Sets URL to…
Recommended action: Upgrade to 2.0.37 or later, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.