CVE-2026-73610: Authorization Bypass Through User-Controlled Key in siyuan-note siyuan
SiYuan before v3.7.4 contains an information disclosure vulnerability in the local storage filter that returns the administrator's entire storage map with only three keys sanitized. Unauthenticated attackers or publish readers can retrieve closed-tab history, search keywords, private document identifiers, and expanded folder paths by calling the getLocalStorage endpoint.
AI Analysis
Technical Summary
CVE-2026-73610 describes an authorization bypass vulnerability in SiYuan note-taking software prior to version 3.7.4. The local storage filter inadequately sanitizes keys, allowing unauthenticated users or publish readers to call the getLocalStorage endpoint and retrieve sensitive information including closed-tab history, search keywords, private document identifiers, and expanded folder paths. This results in an information disclosure vulnerability due to insufficient access control on local storage data.
Potential Impact
The vulnerability allows unauthenticated attackers or publish readers to access sensitive local storage data belonging to the administrator, potentially exposing private document identifiers, user activity history, and search keywords. This information disclosure could lead to privacy violations and leakage of confidential user data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vulnerability affects versions before 3.7.4, upgrading to version 3.7.4 or later is likely recommended once official fixes are published. Until then, restrict access to the getLocalStorage endpoint and monitor for unauthorized access attempts.
CVE-2026-73610: Authorization Bypass Through User-Controlled Key in siyuan-note siyuan
Description
SiYuan before v3.7.4 contains an information disclosure vulnerability in the local storage filter that returns the administrator's entire storage map with only three keys sanitized. Unauthenticated attackers or publish readers can retrieve closed-tab history, search keywords, private document identifiers, and expanded folder paths by calling the getLocalStorage endpoint.
CVSS v4.0
Score 6.9medium
Affected software
pkg:github/siyuan-note/siyuanRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-73610 describes an authorization bypass vulnerability in SiYuan note-taking software prior to version 3.7.4. The local storage filter inadequately sanitizes keys, allowing unauthenticated users or publish readers to call the getLocalStorage endpoint and retrieve sensitive information including closed-tab history, search keywords, private document identifiers, and expanded folder paths. This results in an information disclosure vulnerability due to insufficient access control on local storage data.
Potential Impact
The vulnerability allows unauthenticated attackers or publish readers to access sensitive local storage data belonging to the administrator, potentially exposing private document identifiers, user activity history, and search keywords. This information disclosure could lead to privacy violations and leakage of confidential user data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vulnerability affects versions before 3.7.4, upgrading to version 3.7.4 or later is likely recommended once official fixes are published. Until then, restrict access to the getLocalStorage endpoint and monitor for unauthorized access attempts.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-13T11:15:12.096Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7dbdf8bf8831d53932259e
Added to database: 08/13/2026, 12:52:08 UTC
Last enriched: 08/13/2026, 12:55:23 UTC
Last updated: 08/13/2026, 18:15:15 UTC
Views: 5
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