{"id":"CVE-2026-72803","revision":"11bb88ea5e6b4555ac38d36f482e233e","records":[{"revision":"11bb88ea5e6b4555ac38d36f482e233e","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72803","aliases":[],"title":"SiYuan before v3.7.4 Information Disclosure via getBlockAttrs","description":"SiYuan versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints. Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs.","state":0,"publishedAt":"2026-08-12T19:07:48.459+00:00","modifiedAt":"2026-08-14T16:52:09.591+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:L/VI:N/VA:N/SC:L/SI:N/SA:N","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","score":5.8,"severity":"MEDIUM"}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-qvq9-hq6p-v378","https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getblockattrs"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72803","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72803","identifiers":["CVE-2026-72803"]},"retained":false,"historicalAffected":[]}],"coverage":[]}