CVE-2026-60083 json
SiYuan before v3.8.0 Incomplete Path Blocklist via MCP file tool
published 2026-08-22 2 mo ago modified 2026-11-05 3 d ago also GHSA-c8r8-95hg-mp34 , GO-2026-6863 , EUVD-2026-64268
- cvss
- 4.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 33%
- public exploits
- 0
- none known
Summary
SiYuan versions before v3.8.0 contain an incomplete path blocklist in the MCP file tool that fails to restrict access to sensitive workspace files protected by the HTTP API. Authenticated administrators can read plaintext publish-mode passwords from data/.siyuan/publishAccess.json and access other sensitive files like data/templates and data/snippets/conf.json.
Patch / fix
- go github.com/siyuan-note/siyuan/kernel 0.0.0-20260808051406-3542530c505f
- siyuan-note siyuan 3.8.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.39% chance of exploitation in the next 30 days, higher than 33% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| GitHub | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| go | github.com/siyuan-note/siyuan/kernel | <0.0.0-20260808051406-3542530c505f |
0.0.0-20260808051406-3542530c505f |
Affected products
- siyuan-note siyuan
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
github.com
/siyuan-note/siyuan/commit/3542530c505f13aa3fbd0343627409ca6c000dd2
web
-
github.com
/siyuan-note/siyuan/security/advisories/GHSA-c8r8-95hg-mp34
vendor-advisory, web, advisory
-
vulncheck.com
/advisories/siyuan-before-incomplete-path-blocklist-via-mcp-file-tool
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-60083
advisory
-
github.com
/siyuan-note/siyuan
package
-
github.com
/siyuan-note/siyuan/releases/tag/v3.8.0
web
Sources
- CVE List CVE-2026-60083
- GitHub Advisory GHSA-c8r8-95hg-mp34
- NVD CVE-2026-60083
- OSV GO-2026-6863
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.