CVE-2026-63307 Chat2DB < 5.3.0 Insecure Direct Object Reference via GET /api/connection/datasource

Chat2DB before 5.3.0 contains an insecure direct object reference vulnerability in the GET /api/connection/datasource/id endpoint. The handler calls dataSourceService.queryExistentid, ... without an ownership check and returns the decrypted password field, allowing any authenticated non-admin use...