CVE-2026-100638

SiYuan before v3.8.4 Path Traversal via setNotebookIcon

Published: Sep 26, 2026Updated: Sep 26, 2026 Sources: CVE List NVDCWE-73

7.6HIGH

Description

SiYuan versions before v3.8.4 contain a path traversal vulnerability in the setNotebookIcon endpoint that allows authenticated administrators to create arbitrary directory trees and write files outside the workspace boundary. Attackers can supply directory traversal sequences in the notebook parameter to escape the workspace data directory and write conf.json files to arbitrary locations accessible by the kernel process.

No summary for this CVE yet.

CVSS Vector Breakdown

Exploitability

AV:NAttack Vector

Network

AC:LAttack Complexity

Low

PR:HPrivileges Required

High

UI:NUser Interaction

None

Scope

S:CScope

Changed

Impact

C:NConfidentiality

None

I:HIntegrity

High

A:LAvailability

Low

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Weaknesses

CWE-73

Affected Products

siyuan-note

commercial

siyuanOn-premDesktop App

Consumer Software / productivity

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

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References

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-6h8x-6mph-7438

github.com

https://www.vulncheck.com/advisories/siyuan-before-3.8.4-path-traversal-via-setnotebookicon

vulncheck.com

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