{"cve":"CVE-2026-86123","nvd":{"published":"2026-09-05T10:16:43.750","modified":"2026-09-24T20:43:32.537","status":"Deferred","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.","cvss_v4":{"vector":"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","score":9.4},"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","score":8.7},"cwes":["CWE-918"],"references":["https://github.com/sqlchat/sqlchat","https://github.com/sqlchat/sqlchat/blob/665af875413affadfeefff81794f1d7758782bc2/src/pages/api/connection/execute.ts","https://github.com/sqlchat/sqlchat/blob/665af875413affadfeefff81794f1d7758782bc2/src/pages/api/connection/test.ts","https://github.com/sqlchat/sqlchat/issues/189","https://www.vulncheck.com/advisories/sql-chat-unauthenticated-database-connection-proxy-in-the-api-connection-endpoints"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:52:03.409947763+00:00"},"epss":{"cve":"CVE-2026-86123","score":0.00487,"percentile":0.41931,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}