{"id":"CVE-2026-86123","aliases":["EUVD-2026-71955","GHSA-7xvg-gx2w-r5cc"],"status":"published","title":"SQL Chat Unauthenticated Database-Connection Proxy in the /api/connection Endpoints","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.","severity":{"version":"4.0","score":9.4,"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","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00487,"percentile":0.42381,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-09-05T09:59:11Z","modified":"2026-10-28T02:30:54Z","products":[{"vendor":"sqlchat","product":"sqlchat"}],"references":[{"url":"https://github.com/sqlchat/sqlchat/issues/189","tags":["issue-tracking","exploit","report"]},{"url":"https://github.com/sqlchat/sqlchat/blob/665af875413affadfeefff81794f1d7758782bc2/src/pages/api/connection/execute.ts","tags":["technical-description","article"]},{"url":"https://github.com/sqlchat/sqlchat/blob/665af875413affadfeefff81794f1d7758782bc2/src/pages/api/connection/test.ts","tags":["technical-description","article"]},{"url":"https://github.com/sqlchat/sqlchat","tags":["product","package"]},{"url":"https://www.vulncheck.com/advisories/sql-chat-unauthenticated-database-connection-proxy-in-the-api-connection-endpoints","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-86123","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-7xvg-gx2w-r5cc"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/86xxx/CVE-2026-86123.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-86123","title":"SQL Chat Unauthenticated Database-Connection Proxy in the /api/connection Endpoints","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.","status":"published","published":"2026-09-05T09:59:11.42Z","modified":"2026-09-24T14:21:10.325Z","cvss":[{"version":"4.0","score":9.4,"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","level":"critical","assessor":"cna"},{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T13:49:53.818886Z"}],"euvd":[{"id":"EUVD-2026-71955","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.","status":"published","published":"2026-09-05T09:59:11Z","modified":"2026-09-24T14:21:10Z","cvss":[{"version":"4.0","score":9.4,"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","level":"critical"}],"updated_at":"2026-11-02T17:27:57.402158Z"}],"ghsa":[{"id":"GHSA-7xvg-gx2w-r5cc","title":"SQL Chat contains four unauthenticated API endpoints that accept client-supplied database...","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.","status":"published","published":"2026-09-05T12:31:26Z","modified":"2026-09-05T12:31:34Z","cvss":[{"version":"4.0","score":9.4,"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/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","level":"critical"},{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:11:24.999449Z"}],"nvd":[{"id":"CVE-2026-86123","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.","status":"published","published":"2026-09-05T10:16:43.75Z","modified":"2026-09-24T20:43:32.537Z","cvss":[{"version":"4.0","score":9.4,"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/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","level":"critical","assessor":"secondary"},{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:44.082631Z"}],"osv":[{"id":"CVE-2026-86123","title":"SQL Chat Unauthenticated Database-Connection Proxy in the /api/connection Endpoints","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.","status":"published","published":"2026-09-05T09:59:11.42Z","modified":"2026-10-28T02:30:54.779513861Z","cvss":[{"version":"4.0","score":9.4,"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","level":"critical"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:45:18.825071Z"}]}}
