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CVE WatchOct 6, 2026

CVE-2026-103762

SiYuan before v3.8.5 contains a missing authorization vulnerability in the getRefCreateSavePath, getShorthandSavePath, and getDocCreateSaveP

CVSS

5.3

Medium

EPSS

0.3%

p22

KEV

—

Exploit Today

7

0-100

Published: Oct 2, 2026 · Last modified: Oct 6, 2026 · CWE-862

EPSS · 30d
0.2%EPSS · 30 days0.3%
2026-10-032026-10-25
Technical 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getShorthandSavePath, and getDocCreateSavePath endpoints that allows read-only publish visitors to learn unpublished notebook box IDs.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.

Official references
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