CVE-2026-73610

Medium

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.

SeverityMedium

CVSS5.8

Exploit probability—

ProductSiyuan

PublishedAug 13, 2026

First seenAug 13, 2026

Weakness typeCWE-639Authorization bypass through user-controlled key

How to fix

Update

siyuan-note siyuan3.7.4 or later

Vendor advisories

github.com/siyuan-note/siyuan/security/advisories/GHSA-xp3q-r38w-vgqm

Affected products

Product	Affected versions	Fixed in
siyuan-note siyuan	v < 3.7.4	3.7.4

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