SiYuan has an arbitrary file write in the host via /api/asset/upload
Priority MEDIUM 44CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
SiYuan is a personal knowledge management system. Prior to version 3.1.16, the `/api/asset/upload` endpoint in Siyuan is vulnerable to both arbitrary file write to the host and stored cross-site scripting (via the file write). Version 3.1.16 contains a patch for the issue.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0038 32nd percentileScored 2026-11-07
Fix Fixed siyuan (siyuan-note): 3.1.16
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| siyuan-note | siyuan | before 3.1.16 | 3.1.16 | Patch available | CNA |
| — | github.com/siyuan-note/siyuan/kernel (Go) | up to 0.0.0-20241210012039-5129ad926a21 | — | No fix listed | GHSA-fqj6-whhx-47p7 |
- siyuan Vendorsiyuan-note Affected before 3.1.16 Fixed in 3.1.16 Patch available CNA
- github.com/siyuan-note/siyuan/kernel (Go) Vendor— Affected up to 0.0.0-20241210012039-5129ad926a21 Fixed in — No fix listed GHSA-fqj6-whhx-47p7
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:b3log:siyuan:3.1.15:-:*:*:*:*:*:* | 3.1.15 | Vulnerable | siyuan-note |
- cpe:2.3:a:b3log:siyuan:3.1.15:-:*:*:*:*:*:* Versions 3.1.15 Vulnerable ·siyuan-note
Remediation
- Fix · CNA siyuan (siyuan-note) Fixed in 3.1.16
Timeline
- 2026-10-02 Threatist record created from CVE-2024-55659
- 2026-10-03 Alias added: GHSA-fqj6-whhx-47p7
References
Advisory 2
More siyuan-note Siyuan vulnerabilities
- TI-2026-26050 SiYuan has directory traversal within its publishing service CVSS 3.1CRITICAL 9.8
- TI-2026-25256 SiYuan: Authorization Bypass Allows Arbitrary SQL Execution via Search API CVSS 3.1CRITICAL 9.8
- TI-2024-35827 A SQL injection vulnerability was discovered in Siyuan 3.1.11 in /getHistoryItems. CVSS 3.1CRITICAL 9.8
- TI-2024-35826 A SQL injection vulnerability has been identified in Siyuan 3.1.11 via the ids array parameter in /batchGetBlockAttrs. CVSS 3.1CRITICAL 9.8
- TI-2024-35825 A SQL injection vulnerability has been identified in Siyuan 3.1.11 via the id parameter at /getAssetContent. CVSS 3.1CRITICAL 9.8
- TI-2024-35824 A SQL injection vulnerability has been identified in Siyuan 3.1.11 via the notebook parameter in /searchHistory. CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-55659 · CVE Program
- CVE-2024-55659 · NVD
- FIRST EPSS
- GHSA-fqj6-whhx-47p7 · GitHub Advisory Database · CC BY 4.0
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