What is CVE-2026-72793?

CVE-2026-72793 is a high-severity vulnerability in Siyuan-note Siyuan, classified under Insufficiently Protected Credentials. CVSS score: 8.6/10. Published 2026-08-12.

How severe is CVE-2026-72793?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Siyuan-note Siyuan

CVE-2026-72793

SiYuan versions before v3.7.4 fail to mask sensitive configuration fields in the /api/system/getConf endpoint, allowing anonymous or publish-reader users to obtain the session-cookie signing key, OS username via pandoc path, and encrypted-…

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

Siyuan-note Siyuan — versions 0, 3.7.4

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

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

Frequently asked questions

What is CVE-2026-72793?: CVE-2026-72793 is a high-severity vulnerability in Siyuan-note Siyuan, classified under Insufficiently Protected Credentials. CVSS score: 8.6/10. Published 2026-08-12.
How severe is CVE-2026-72793?: High severity. CVSS v3 base score is 8.6 out of 10.