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Threatist priority CRITICAL 0 HIGH 0 MEDIUM 1 LOW 1

Signals Exploited in the wild (KEV) 0 Patch available 2 No fix listed 0 Has CVE 2

Fix status Fixed 2 Partial 0 Will not fix 0 Deferred 0 No fix listed 0

Impact type Code execution 0 Privilege escalation 0 Security bypass 0 Information disclosure 1 Tampering 0 Denial of service 0 Spoofing 0 Cross-site scripting 0 SQL injection 0

Attack vector Network 2 Adjacent network 0 Local 0 Physical 0

Requirements No authentication 1 No user interaction 0

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Products as named in CPE, with their records.

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Weakness (CWE) CWE-22 Improper Limitation of a Pathname to a Restricted Directory 1 CWE-918 Server-Side Request Forgery 1

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Release: siyuan-note siyuan 3.8.1 × Clear all filters

TI-2026-56699 CVE-2026-82234 · GHSA-g42r-m263-958h

SiYuan before v3.8.1 SSRF via DNS-Rebinding TOCTOU

Priority LOW 36

SiYuan versions before v3.8.1 contain a server-side request forgery vulnerability in the http_request and web_fetch agent tools that perform DNS resolution only at guard time without validating the connect-time resolutio…

CVSS 4.0HIGH 8.4· Network · No auth · User interaction · EPSS 0.00362 · Published 2026-08-28 · Fixed in 3.8.1 CWE-918

TI-2026-56698 CVE-2026-82233 · GHSA-m4pm-qxhv-84p5

SiYuan before v3.8.1 Path Traversal via asset.upload

Priority MEDIUM 64

SiYuan before v3.8.1 contains a path traversal vulnerability in the asset.upload MCP tool that accepts arbitrary absolute file paths without workspace boundary validation.

CVSS 4.0MEDIUM 6.9· Network · Low privileges · User interaction · EPSS 0.00402 · Published 2026-08-28 · Fixed in 3.8.1 CWE-22

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