CVE-2026-86123
SQL Chat Unauthenticated Database-Connection Proxy in the /api/connection Endpoints
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used 9.4
SQL Chat Unauthenticated Database-Connection Proxy in the /api/connection Endpoints
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.
- Record
CVE-2026-86123- CVSS 4.0
- 9.4 Critical
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 - CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
EUVDEUVD-2026-71955 9.4
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.
- Record
EUVD-2026-71955- CVSS 4.0
- 9.4 Critical
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-7xvg-gx2w-r5cc 9.4
SQL Chat contains four unauthenticated API endpoints that accept client-supplied database...
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.
- Record
GHSA-7xvg-gx2w-r5cc- CVSS 4.0
- 9.4 Critical
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
NVD 9.4
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.
- Record
CVE-2026-86123- CVSS 4.0
- 9.4 Critical
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-918
- Updated
- 2026-11-02
OSV 9.4
SQL Chat Unauthenticated Database-Connection Proxy in the /api/connection Endpoints
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.
- Record
CVE-2026-86123- CVSS 4.0
- 9.4 Critical
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 - Weakness
- CWE-918
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-86123 is a critical vulnerability (CVSS 9.4) in Sqlchat, published September 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.49%, the 42nd percentile. No source names a fixed version.
References
github.com/sqlchat/sqlchat/issues/189
github.com/sqlchat/sqlchat/blob/665af875413affadfeefff81794f1d7758782bc2/src/pages/api/connection/execute.ts
github.com/sqlchat/sqlchat/blob/665af875413affadfeefff81794f1d7758782bc2/src/pages/api/connection/test.ts
github.com/sqlchat/sqlchat
vulncheck.com/advisories/sql-chat-unauthenticated-database-connection-proxy-in-the-api-connection-endpoints
nvd.nist.gov/vuln/detail/CVE-2026-86123
github.com/advisories/GHSA-7xvg-gx2w-r5cc
github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86123.json