Vulnerability · Published Sep 5, 2026 · Assigned by VulnCheck
CVE-2026-86123SQL Chat Unauthenticated Database-Connection Proxy in the /api/connection Endpoints
High 8.7
In plain English
A high-severity server-side request forgery in sqlchat from sqlchat. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 42% of all known vulnerabilities).
Severity (CVSS 3.1)8.7High
Exploit odds (30 days)0.5%top 57.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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 (as reported)
Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
References
- GitHub Issue #189 issue-tracking
- execute.ts: no auth, client-supplied connection technical-description
- test.ts: connect oracle for arbitrary host and port technical-description
- https://github.com/sqlchat/sqlchat product
- VulnCheck Advisory: SQL Chat Unauthenticated Database-Connection Proxy in the /api/connection Endpoints third-party-advisory