What is CVE-2026-73610?

CVE-2026-73610 is a medium-severity vulnerability in Siyuan-note Siyuan, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.8/10. Published 2026-08-13.

How severe is CVE-2026-73610?

Medium severity. CVSS v3 base score is 5.8 out of 10.

Auth bypass in Siyuan-note Siyuan

CVE-2026-73610

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…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N.

Affected products

Siyuan-note Siyuan — versions 0, 3.7.4

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-73610?: CVE-2026-73610 is a medium-severity vulnerability in Siyuan-note Siyuan, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.8/10. Published 2026-08-13.
How severe is CVE-2026-73610?: Medium severity. CVSS v3 base score is 5.8 out of 10.