CVE-2025-67488: siyuan · Path Traversal
Affects siyuanSource CVE Database V5
Not known to be exploited · CVSS 7.8 High : upgrade to 3.5.0 soon.
Data as of 26 Oct 2026, 12:55 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.5.0
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 9 Dec 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade siyuan-note/siyuan to 3.5.0.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubsiyuan-note/siyuanpkg:github/siyuan-note/siyuanOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
European organizations should immediately audit their SiYuan deployments to identify affected versions and restrict import functionality to trusted, authenticated users only. Until the patch in version 3.5.0 is applied, implement strict access controls and monitor import activity logs for suspicious ZIP file imports. Employ network segmentation to isolate SiYuan servers from critical infrastructure and sensitive data repositories. Validate and sanitize all imported ZIP files externally before allowing import into SiYuan, possibly using sandboxing or file integrity verification tools. Regularly update authentication credentials and enforce multi-factor authentication to reduce the risk of compromised accounts. Consider deploying host-based intrusion detection systems (HIDS) to detect unauthorized file modifications. Finally, plan and test the upgrade to version 3.5.0 promptly once released to remediate the vulnerability.
Description
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.