CVE-2026-73607

MEDIUM 5.8

SiYuan before v3.7.4 Information Disclosure via getOutlineStorage

CVSS Score

5.8

EPSS Score

0.0%

EPSS Percentile

0th

SiYuan versions before v3.7.4 contain an information disclosure vulnerability in the /api/storage/getOutlineStorage endpoint that performs no authorization checks. Attackers can retrieve outline state including heading identifiers for any document by supplying its identifier, even for documents forbidden to the requester.

CWE	CWE-862
Vendor	siyuan-note
Product	siyuan
Published	Aug 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

siyuan-note / siyuan

0 < 3.7.4

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/siyuan-note/siyuan/security/advisories/GHSA-53fp-9jmv-227g vulncheck.com: https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getoutlinestorage

Credits

🔍 Shirshakhtml