CVE-2026-73607CWE-862broken-access-control

CVE-2026-73607

Medium · published August 13, 2026

CVSS v3.1
5.8
EPSS
0%
Percentile
24.3
In the wild
Unconfirmed
What it is

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.

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
0.00325 · 24.3th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-08-13T16:17Z
References (3)
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-53fp-9jmv-227g · [email protected]https://www.vulncheck.com/advisories/siyuan-before-information-disclosure-via-getoutlinestorage · [email protected]https://github.com/siyuan-note/siyuan/security/advisories/GHSA-53fp-9jmv-227g · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 13 AUG 11:28Z
    SiYuan before v3.7.4 Information Disclosure via getOutlineStorage
    cvelistv5