{"id":"CVE-2026-72801","revision":"13863b25f7f64235bed889c682913bc2","records":[{"revision":"13863b25f7f64235bed889c682913bc2","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72801","aliases":[],"title":"SiYuan before v3.7.4 Information Disclosure via Encryption Key Material","description":"SiYuan versions before v3.7.4 disclose encrypted-notebook key-derivation material and wrapped data keys through unauthenticated endpoints in publish mode. Attackers can retrieve Argon2id salt, cost parameters, password verifiers, and wrapped notebook keys to perform unlimited offline master-password cracking without rate limiting.","state":0,"publishedAt":"2026-08-12T19:07:47.033+00:00","modifiedAt":"2026-08-14T22:04:06.593+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: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-8x84-r2ff-h8pq","https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-encryption-key-material"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72801","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72801","identifiers":["CVE-2026-72801"]},"retained":false,"historicalAffected":[]}],"coverage":[]}