High
SiYuan: ZipSlip -> Arbitrary File Overwrite -> RCE
Type: advisorySources: OSV
SiYuan is self-hosted, open source personal knowledge management software. Versions 0.0.0-20251202123337-6ef83b42c7ce and below contain function importZipMd which is vulnerable to ZipSlips, allowing an authenticated user to overwrite files on the system. An authenticated user with access to the import functionality in notes is able to overwrite any file on the system, and can escalate to full code execution under some circumstances. A fix is planned for version 3.5.0.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2025-67488
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 15:04 UTC · Revision 1
Source evidence
SiYuan: ZipSlip -> Arbitrary File Overwrite -> RCE
core-osv · Original sourcePublished 9 Dec 2025, 20:32 UTC
SiYuan is self-hosted, open source personal knowledge management software. Versions 0.0.0-20251202123337-6ef83b42c7ce and below contain function importZipMd which is vulnerable to ZipSlips, allowing an authenticated user to overwrite files on the system. An authenticated user with access to the import functionality in notes is able to overwrite any file on the system, and can escalate to full code execution under some circumstances. A fix is planned for version 3.5.0.
osv:CVE-2025-67488
Complete source record
{
"id": "e5f770e104875f4e45c9a278f3463792e75ca06032f0baecfe0892832ecb208b",
"url": "https://osv.dev/vulnerability/CVE-2025-67488",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "SiYuan: ZipSlip -> Arbitrary File Overwrite -> RCE",
"summary": "SiYuan is self-hosted, open source personal knowledge management software. Versions 0.0.0-20251202123337-6ef83b42c7ce and below contain function importZipMd which is vulnerable to ZipSlips, allowing an authenticated user to overwrite files on the system. An authenticated user with access to the import functionality in notes is able to overwrite any file on the system, and can escalate to full code execution under some circumstances. A fix is planned for version 3.5.0.",
"evidence": "osv:CVE-2025-67488",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2025-67488",
"aliases": [
"CVE-2025-67488",
"GHSA-gqfv-g4v7-m366",
"GO-2025-4221"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/siyuan-note/siyuan",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "7217c666361bae77ea83d1ee4237bcb4af55565f"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:b3log:siyuan:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.5.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
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],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-67488.json"
}
}
],
"modified": "2026-10-28T02:30:29.818461793Z",
"provider": "osv",
"references": [
"https://github.com/siyuan-note/siyuan/blob/dae6158860cc704e353454565c96e874278c6f47/kernel/api/import.go#L190",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/67xxx/CVE-2025-67488.json",
"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-gqfv-g4v7-m366",
"https://nvd.nist.gov/vuln/detail/CVE-2025-67488"
],
"provider_metadata": {
"cwe_ids": [
"CWE-22"
],
"cna_assigner": "GitHub_M",
"unresolved_ranges": [
{
"extracted_events": [
{
"range": [
{
"last_affected": "0.0.0-20251202123337-6ef83b42c7ce"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
}
]
},
{
"extracted_events": [
{
"range": [
{
"last_affected": "0.0.0-20251202123337-6ef83b42c7ce"
}
],
"source": "DESCRIPTION"
}
]
}
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/67xxx/CVE-2025-67488.json"
}
},
"related_cves": [
{
"value": "CVE-2025-67488",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 496645,
"published_at": "2025-12-09T20:32:37.274+00:00"
}