{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-50551: SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-50551","status":"final","version":"1","initial_release_date":"2026-06-24T21:20:42.004Z","current_release_date":"2026-06-24T21:20:42.004Z","revision_history":[{"date":"2026-06-24T21:20:42.004Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan contains a stored cross-site scripting (XSS) vulnerability in the Attribute View (database) asset cell renderer that escalates to remote code execution (RCE) in the Electron desktop client. This vulnerability is fixed in 3.7.0.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-50551 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-50551"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-50551"},{"category":"external","summary":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-56mp-4f3v-fgj2","url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-56mp-4f3v-fgj2"}]},"product_tree":{"branches":[{"category":"vendor","name":"siyuan-note","branches":[{"category":"product_name","name":"siyuan","branches":[{"category":"product_version","name":"< 3.7.0","product":{"name":"siyuan-note siyuan < 3.7.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:siyuan-note:siyuan:\\<_3.7.0:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-50551","title":"SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content","notes":[{"category":"description","text":"SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, SiYuan contains a stored cross-site scripting (XSS) vulnerability in the Attribute View (database) asset cell renderer that escalates to remote code execution (RCE) in the Electron desktop client. This vulnerability is fixed in 3.7.0.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":9.9,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}