{"id":"CVE-2026-72789","revision":"4c6039c6fcd441478de446d44aaf8957","records":[{"revision":"4c6039c6fcd441478de446d44aaf8957","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72789","aliases":[],"title":"SiYuan before v3.7.4 Authentication Bypass via Encrypted Notebooks","description":"SiYuan before v3.7.4 fails to properly validate publish access for encrypted notebooks, treating them as publicly accessible by default. Anonymous readers can enumerate and retrieve fully decrypted document content from unlocked encrypted notebooks through the publish API without authentication or key material.","state":0,"publishedAt":"2026-08-12T19:07:38.239+00:00","modifiedAt":"2026-08-14T22:00:32.455+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\": \"3.7.4\"\n                        },\n                        {\n                            \"version\": \"3.7.4\",\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:H/SI:N/SA:N","score":9.2,"severity":"CRITICAL"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","score":8.6,"severity":"HIGH"}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v684-q882-jgmq","https://www.vulncheck.com/advisories/siyuan-before-authentication-bypass-via-encrypted-notebooks"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72789","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72789","identifiers":["CVE-2026-72789"]},"retained":false,"historicalAffected":[]}],"coverage":[]}