{"cve":"CVE-2026-72803","nvd":{"published":"2026-08-12T20:17:52.247","modified":"2026-10-24T15:10:00.190","status":"Deferred","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.","cvss_v4":{"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},"cvss_v3":{"version":"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},"cwes":["CWE-862"],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-qvq9-hq6p-v378","https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getblockattrs","https://github.com/siyuan-note/siyuan/security/advisories/GHSA-qvq9-hq6p-v378"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:35.584907681+00:00"},"epss":{"cve":"CVE-2026-72803","score":0.00296,"percentile":0.22061,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-qvq9-hq6p-v378","url":"https://osv.dev/vulnerability/GHSA-qvq9-hq6p-v378","summary":"SiYuan: Missing publish-access filter on getBlockAttrs and batchGetBlockAttrs discloses block attributes (name, alias, memo, custom fields) of protected documents","modified":"2026-09-10T15:25:29.861218758Z","packages":[{"ecosystem":"Go","name":"github.com/siyuan-note/siyuan/kernel","purl":"pkg:golang/github.com/siyuan-note/siyuan/kernel","ranges":["<0.0.0-20260724093256-229fdffd7e4a"],"fixed":["0.0.0-20260724093256-229fdffd7e4a"]}]},{"id":"GO-2026-6404","url":"https://osv.dev/vulnerability/GO-2026-6404","summary":"SiYuan: Missing publish-access filter on getBlockAttrs and batchGetBlockAttrs discloses block attributes (name, alias, memo, custom fields) of protected documents in github.com/siyuan-note/siyuan/kernel","modified":"2026-09-10T15:15:14.404474003Z","packages":[{"ecosystem":"Go","name":"github.com/siyuan-note/siyuan/kernel","purl":"pkg:golang/github.com/siyuan-note/siyuan/kernel","ranges":["<0.0.0-20260724093256-229fdffd7e4a"],"fixed":["0.0.0-20260724093256-229fdffd7e4a"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}