CVE-2026-40346 NocoBase has SSRF in Workflow HTTP Request and Custom Request Plugins
Authenticated users can exploit SSRF in NocoBase workflow plugins to access internal network services and cloud metadata endpoints.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-40346?
CVE-2026-40346 is a medium-severity server-side request forgery vulnerability in @nocobase/plugin-workflow-request, published on 17 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.37, 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. Version 2.0.37 contains a patch.
Weakness: CWE-918
Which versions are affected by CVE-2026-40346?
2 open source packages ship an affected version, including @nocobase/plugin-workflow-request. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
@nocobase/plugin-workflow-request npm | All versions | 2.0.37 |
@nocobase/plugin-workflow-request npm | All versions | 2.0.37 |
Products include Nocobase Nocobase.
How do I fix CVE-2026-40346?
Upgrade @nocobase/plugin-workflow-request to 2.0.37 or later.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-40346 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-40346 exists.
Other vulnerabilities in @nocobase/plugin-workflow-request
- CVE-2026-34156 NocoBase Affected by Sandbox Escape to RCE via console._stdout Prototype Chain Traversal in Workflow Script Node
- CVE-2026-34825 NocoBase Has SQL Injection via template variable substitution in workflow SQL node
- CVE-2026-41640 NocoBase Vulnerable to SQL Injection via String Concatenation in Recursive Eager Loading
- CVE-2026-41641 NocoBase Vulnerable to SQL Validation Bypass via `sqlCollection:update` Missing `checkSQL` Call
Sources
Also known as GHSA-mvvv-v22x-xqwp.