# CVE-2026-86123

## Summary

- **CVE ID:** CVE-2026-86123
- **Severity:** CRITICAL
- **CVSS Score:** 9.4 (CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N)
- **CWE:** CWE-918
- **Published:** Sep 5, 2026
- **Last Modified:** Sep 8, 2026

## Description

SQL Chat contains four unauthenticated API endpoints that accept client-supplied database connection parameters and execute arbitrary SQL queries against attacker-specified hosts. Attackers can connect to internal databases, execute SQL commands, enumerate schemas, and pivot into the server's network without authentication.

## Affected Products

- sqlchat — sqlchat (0)

## References

- [CNA](https://github.com/sqlchat/sqlchat/issues/189)
- [CNA](https://github.com/sqlchat/sqlchat/blob/665af875413affadfeefff81794f1d7758782bc2/src/pages/api/connection/execute.ts)
- [CNA](https://github.com/sqlchat/sqlchat/blob/665af875413affadfeefff81794f1d7758782bc2/src/pages/api/connection/test.ts)
- [CNA](https://github.com/sqlchat/sqlchat)
- [CNA](https://www.vulncheck.com/advisories/sql-chat-unauthenticated-database-connection-proxy-in-the-api-connection-endpoints)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.33%
- **EPSS Percentile:** 26.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._