CVE-2026-33670: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in siyuan-note siyuan
SiYuan is a personal knowledge management system. Prior to version 3.6.2, the /api/file/readDir interface was used to traverse and retrieve the file names of all documents under a notebook. Version 3.6.2 patches the issue.
AI Analysis
Technical Summary
The vulnerability CVE-2026-33670 (CWE-22) affects siyuan-note versions before 3.6.2. It involves improper limitation of a pathname to a restricted directory in the /api/file/readDir interface, enabling attackers to traverse directories and access file names beyond the intended notebook directory. This flaw allows an attacker to potentially read sensitive files, impacting confidentiality, integrity, and availability. The vendor fixed this issue in version 3.6.2.
Potential Impact
Exploitation of this vulnerability can lead to unauthorized disclosure of sensitive information, modification of files, and disruption of service in the siyuan-note application. The CVSS score of 9.8 reflects a critical severity with network attack vector, no required privileges or user interaction, and full impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Users should upgrade siyuan-note to version 3.6.2 or later, where this path traversal vulnerability is patched. No other mitigation is specified or required once the official fix is applied.
CVE-2026-33670: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in siyuan-note siyuan
Description
SiYuan is a personal knowledge management system. Prior to version 3.6.2, the /api/file/readDir interface was used to traverse and retrieve the file names of all documents under a notebook. Version 3.6.2 patches the issue.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability CVE-2026-33670 (CWE-22) affects siyuan-note versions before 3.6.2. It involves improper limitation of a pathname to a restricted directory in the /api/file/readDir interface, enabling attackers to traverse directories and access file names beyond the intended notebook directory. This flaw allows an attacker to potentially read sensitive files, impacting confidentiality, integrity, and availability. The vendor fixed this issue in version 3.6.2.
Potential Impact
Exploitation of this vulnerability can lead to unauthorized disclosure of sensitive information, modification of files, and disruption of service in the siyuan-note application. The CVSS score of 9.8 reflects a critical severity with network attack vector, no required privileges or user interaction, and full impact on confidentiality, integrity, and availability.
Mitigation Recommendations
Users should upgrade siyuan-note to version 3.6.2 or later, where this path traversal vulnerability is patched. No other mitigation is specified or required once the official fix is applied.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-03-23T16:34:59.930Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 69c5a54b3c064ed76fcfc833
Added to database: 3/26/2026, 9:29:47 PM
Last enriched: 4/3/2026, 1:11:17 PM
Last updated: 5/11/2026, 7:02:28 AM
Views: 90
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