# 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.

- **Severity:** Medium 6.4 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 17 Apr 2026
- **Updated:** 20 Apr 2026
- **Also known as:** GHSA-mvvv-v22x-xqwp

## 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 (Server-Side Request Forgery)

## 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 | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `@nocobase/plugin-workflow-request` | npm | All versions | 2.0.37 |
| `@nocobase/plugin-workflow-request` | npm | All versions | 2.0.37 |

Products: Nocobase Nocobase.

## How do I fix CVE-2026-40346?

Upgrade @nocobase/plugin-workflow-request to 2.0.37 or later.

## 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](https://insights.sbomify.com/CVE-2026-34156/): NocoBase Affected by Sandbox Escape to RCE via console._stdout Prototype Chain Traversal in Workflow Script Node (critical 10.0)
- [CVE-2026-34825](https://insights.sbomify.com/CVE-2026-34825/): NocoBase Has SQL Injection via template variable substitution in workflow SQL node (high 8.5)
- [CVE-2026-41640](https://insights.sbomify.com/CVE-2026-41640/): NocoBase Vulnerable to SQL Injection via String Concatenation in Recursive Eager Loading (high 7.5)
- [CVE-2026-41641](https://insights.sbomify.com/CVE-2026-41641/): NocoBase Vulnerable to SQL Validation Bypass via `sqlCollection:update` Missing `checkSQL` Call (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-40346 and fix it if it is affected.

What it is: 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.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-40346 exists.

Affected packages and fixed versions:
- @nocobase/plugin-workflow-request (npm): affected all versions; fixed in 2.0.37
- @nocobase/plugin-workflow-request (npm): affected all versions; fixed in 2.0.37

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-40346/ (Markdown: https://insights.sbomify.com/CVE-2026-40346/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-40346
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-40346
- OSV: https://osv.dev/vulnerability/CVE-2026-40346

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-40346/
Summaries are generated and may contain mistakes; the official description above is the record.