{"id":"CVE-2026-87807","revision":"01a6e6472ca946f48e8d9f9ed9daeb93","records":[{"revision":"01a6e6472ca946f48e8d9f9ed9daeb93","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-87807","aliases":[],"title":"siyuan before v3.8.2 SQL Injection via fullTextSearchBlock","description":"siyuan versions before v3.8.2 contain an authenticated SQL injection vulnerability in the fullTextSearchBlock endpoint's method=1 query parameter. Attackers can inject UNION SELECT statements to read the entire blocks table, bypassing publish-access controls and exposing all document content and sensitive attributes.","state":0,"publishedAt":"2026-09-09T11:20:56.932+00:00","modifiedAt":"2026-10-08T15:51:49.895+00:00","affected":[{"ecosystem":"Vendor product","name":"siyuan","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"siyuan-note\",\n                    \"product\": \"siyuan\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/siyuan-note/siyuan/kernel\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.8.2\"\n                        },\n                        {\n                            \"version\": \"3.8.2\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":8.7,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5,"severity":"HIGH"}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-336w-67gx-gx2h","https://www.vulncheck.com/advisories/siyuan-before-3.8.2-sql-injection-via-fulltextsearchblock"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-87807","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-87807","identifiers":["CVE-2026-87807"]},"retained":false,"historicalAffected":[]}],"coverage":[]}