CVE-2026-103763CWE-200information-disclosure

CVE-2026-103763

Medium · published October 2, 2026

CVSS v3.1
5.8
EPSS
0%
Percentile
22.9
In the wild
Unconfirmed
What it is

SiYuan before v3.8.5 contains an information disclosure vulnerability that allows read-only publish readers to learn metadata of publish-excluded documents through the getNotebookInfo endpoint. Attackers, including anonymous visitors when no reader password is set, can query publish-visible notebooks to obtain document count, size and modification timestamps of hidden documents.

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
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
EPSS
0.00312 · 22.9th percentile
Weakness
CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Published
2026-10-02T16:17Z
References (3)
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-ccxp-q3vg-jvgj · [email protected]https://www.vulncheck.com/advisories/siyuan-before-3.8.5-information-disclosure-via-api-notebook-getnotebookinfo · [email protected]https://github.com/siyuan-note/siyuan/security/advisories/GHSA-ccxp-q3vg-jvgj · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 04 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 02 OCT 11:37Z
    SiYuan before v3.8.5 Information Disclosure via /api/notebook/getNotebookInfo
    cvelistv5