What is CVE-2026-54068?

CVE-2026-54068 is a medium-severity vulnerability in Siyuan-note Siyuan, classified under Missing Authentication for Critical Function. CVSS score: 5.9/10. Published 2026-06-24.

How severe is CVE-2026-54068?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Auth bypass in Siyuan-note Siyuan

CVE-2026-54068

SiYuan is an open-source personal knowledge management system. Prior to 3.7.0, the /api/icon/getDynamicIcon endpoint is explicitly excluded from authentication in SiYuan's kernel router (router.go, "不需要鉴权" -- no auth needed). When called w…

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Siyuan-note Siyuan — versions < 3.7.0

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-54068?: CVE-2026-54068 is a medium-severity vulnerability in Siyuan-note Siyuan, classified under Missing Authentication for Critical Function. CVSS score: 5.9/10. Published 2026-06-24.
How severe is CVE-2026-54068?: Medium severity. CVSS v3 base score is 5.9 out of 10.