Critical
SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-50551
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 23:05 UTC · Revision 1
Source evidence
SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content
core-osv · Original sourcePublished 24 Jun 2026, 21:20 UTC
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.
osv:CVE-2026-50551
Complete source record
{
"id": "e868d5d23450379b60b172cd56f3cfc1f84b414f82d242374150fb32db047826",
"url": "https://osv.dev/vulnerability/CVE-2026-50551",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "SiYuan: Stored XSS to RCE via Unsanitized Attribute View Asset Cell Content",
"summary": "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.",
"evidence": "osv:CVE-2026-50551",
"products": [],
"severity": "critical",
"structured": {
"id": "CVE-2026-50551",
"aliases": [
"CVE-2026-50551",
"GHSA-56mp-4f3v-fgj2",
"GO-2026-5967"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/siyuan-note/siyuan",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "27e0051e0d067892e833df1063cb2fb469600e98"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "3.7.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "3.7.0"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-50551.json"
}
}
],
"modified": "2026-10-28T02:30:40.223267489Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50551.json",
"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-56mp-4f3v-fgj2",
"https://nvd.nist.gov/vuln/detail/CVE-2026-50551"
],
"provider_metadata": {
"cwe_ids": [
"CWE-79"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/50xxx/CVE-2026-50551.json"
}
},
"related_cves": [
{
"value": "CVE-2026-50551",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 507815,
"published_at": "2026-06-24T21:20:42.004+00:00"
}