CVE-2026-100638

Published: Set 26, 2026 Last Modified: Set 26, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,3
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH 7,6
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: high
User Interaction: none
Scope: changed
Confidentiality: none
Integrity: high
Availability: low

Description

AI Translation Available

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.

73

External Control of File Name or Path

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality Availability
Potential Impacts:
Read Files Or Directories Modify Files Or Directories Execute Unauthorized Code Or Commands Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Other)
Applicable Platforms
Operating Systems: Unix, Windows, macOS
Likelihood of Exploit: High
View CWE Details
https://github.com/siyuan-note/siyuan/security/advisories/G…
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-6h8x-6mph-7438
https://www.vulncheck.com/advisories/siyuan-before-3.8.4-pa…
https://www.vulncheck.com/advisories/siyuan-before-3.8.4-path-traversal-via-set…