CVE-2026-73610CWE-639

CVE-2026-73610

Medium · published August 13, 2026

CVSS v3.1
5.8
EPSS
0%
Percentile
25.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00335 · 25.7th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-08-13T16:17Z
References (3)
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-xp3q-r38w-vgqm · [email protected]https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-local-storage · [email protected]https://github.com/siyuan-note/siyuan/security/advisories/GHSA-xp3q-r38w-vgqm · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 13 AUG 11:28Z
    SiYuan before v3.7.4 Information Disclosure via Local Storage
    cvelistv5