Information Disclosure Vulnerability in SiYuan by SiYuan
CVE-2026-73610

6.9MEDIUM

Key Information:

Vendor

Siyuan-note

Status
Siyuan
Vendor
CVE Published:
13 August 2026

What is CVE-2026-73610?

The product SiYuan up to version 3.7.4 is susceptible to an information disclosure flaw in its local storage management. This vulnerability allows unauthenticated users to access sensitive information, including the complete storage map of the administrator. By interacting with the getLocalStorage endpoint, attackers can retrieve private data such as closed-tab history, search keywords, document identifiers, and folder paths, potentially leading to unauthorized exposure of critical user data.

Affected Version(s)

siyuan 0 < 3.7.4

siyuan 3.7.4

References

https://github.com/siyuan-note/siyuan/security/advisories...
vendor-advisory
https://www.vulncheck.com/advisories/siyuan-before-inform...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Shirshakhtml
.