CVE-2026-103762

MEDIUMCVSS 5.3

Description

SiYuan before v3.8.5 contains a missing authorization vulnerability in the getRefCreateSavePath, getShorthandSavePath, and getDocCreateSavePath endpoints that allows read-only publish visitors to learn unpublished notebook box IDs. Attackers with read-only or anonymous publish access can POST any open notebook ID to receive the global save-box ID and save-path template, revealing a hidden notebook's existence and creation time.

Timeline

Published:October 2nd, 2026 12:17 PM

Last modified:October 6th, 2026 3:16 AM

CVSS Scoring

CVSS v3: 5.3 (MEDIUM)

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

Weaknesses (CWE)

CWE-862

References & Reports

Advisories, patches, and third-party reports

https://github.com/siyuan-note/siyuan/security/advisories/GHSA-2mrf-mx66-vv6g
https://www.vulncheck.com/advisories/siyuan-before-3.8.5-missing-authorization-in-save-path-resolver-endpoints
https://github.com/siyuan-note/siyuan/security/advisories/GHSA-2mrf-mx66-vv6g

Source: NIST NVD · Data may lag official sources by up to one minute