Medium
SiYuan before v3.7.4 Information Disclosure via getFileAnnotation
Type: advisorySources: OSV
SiYuan versions up to and including v3.7.2 (fixed in v3.7.4) contain an information disclosure vulnerability in the /api/asset/getFileAnnotation endpoint, which returns .sya PDF-annotation file content without a publish-access check. Because the endpoint is gated only by CheckAuth (unlike the /assets/* route, which enforces publish access and password), an anonymous reader (when publish authentication is disabled) or any publish RoleReader who knows an asset path can read the private PDF annotations (highlights and notes) of publish-forbidden, password-protected, or unpublished documents. The issue is limited to non-encrypted notebooks; encrypted-box annotations are not exposed.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-72808
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 8 Nov 2026, 03:40 UTC · Revision 1
Source evidence
SiYuan before v3.7.4 Information Disclosure via getFileAnnotation
core-osv · Original sourcePublished 12 Aug 2026, 19:07 UTC
SiYuan versions up to and including v3.7.2 (fixed in v3.7.4) contain an information disclosure vulnerability in the /api/asset/getFileAnnotation endpoint, which returns .sya PDF-annotation file content without a publish-access check. Because the endpoint is gated only by CheckAuth (unlike the /assets/* route, which enforces publish access and password), an anonymous reader (when publish authentication is disabled) or any publish RoleReader who knows an asset path can read the private PDF annotations (highlights and notes) of publish-forbidden, password-protected, or unpublished documents. The issue is limited to non-encrypted notebooks; encrypted-box annotations are not exposed.
osv:CVE-2026-72808
Complete source record
{
"id": "c3fbd8ccd5da49af36163d519fb77584d4f257257da8e53eabdb0e3379ac3f87",
"url": "https://osv.dev/vulnerability/CVE-2026-72808",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "SiYuan before v3.7.4 Information Disclosure via getFileAnnotation",
"summary": "SiYuan versions up to and including v3.7.2 (fixed in v3.7.4) contain an information disclosure vulnerability in the /api/asset/getFileAnnotation endpoint, which returns .sya PDF-annotation file content without a publish-access check. Because the endpoint is gated only by CheckAuth (unlike the /assets/* route, which enforces publish access and password), an anonymous reader (when publish authentication is disabled) or any publish RoleReader who knows an asset path can read the private PDF annotations (highlights and notes) of publish-forbidden, password-protected, or unpublished documents. The issue is limited to non-encrypted notebooks; encrypted-box annotations are not exposed.",
"evidence": "osv:CVE-2026-72808",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2026-72808",
"aliases": [
"CVE-2026-72808",
"GHSA-v7ph-r5r6-4jcj",
"GO-2026-6406"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "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"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/siyuan-note/siyuan",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"last_affected": "726dae1d518927f70ea609bc146288b9aa95e366"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "3.7.2"
}
],
"source": "DESCRIPTION"
}
]
}
}
],
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72808.json"
}
}
],
"modified": "2026-10-28T02:30:53.223439967Z",
"provider": "osv",
"references": [
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72808.json",
"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-v7ph-r5r6-4jcj",
"https://nvd.nist.gov/vuln/detail/CVE-2026-72808",
"https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getfileannotation"
],
"provider_metadata": {
"cwe_ids": [
"CWE-862"
],
"cna_assigner": "VulnCheck",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"fixed": "3.7.4"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
}
]
},
{
"extracted_events": [
{
"range": [
{
"fixed": "3.7.4"
}
],
"source": "CPE_FIELD",
"strategy": "CPEApplicability"
}
]
},
{
"extracted_events": [
{
"range": [
{
"fixed": "3.7.4"
}
],
"source": "DESCRIPTION"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72808.json"
}
},
"related_cves": [
{
"value": "CVE-2026-72808",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 522292,
"published_at": "2026-08-12T19:07:52.034+00:00"
}