SiYuan before v3.8.5 contains an information disclosure vulnerability that allows read-only publish readers to learn metadata of publish-excluded documents through the getNotebookInfo endpoint. Attackers, including anonymous visitors when no reader password is set, can query publish-visible notebooks to obtain document count, size and modification timestamps of hidden documents.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-200"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/103xxx/CVE-2026-103763.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "3.8.5"
},
{
"fixed": "v3.8.5"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}