CVE-2026-68587EPSS p33.7%
CVE-2026-68587CVE-2026-68587
Description
SiYuan versions before v3.7.3 contain an information disclosure vulnerability in the getHeadingDeleteTransaction, getHeadingLevelTransaction, and getHeadingInsertTransaction endpoints that return rendered block DOM without publish-access checks. Anonymous readers or publish RoleReader tokens can supply a heading block ID to read full rendered content of publish-disabled documents that should be restricted.
Scoring
| CVSS | 8.6 () |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N |
| EPSS | 0.42% probability of exploitation · percentile 33.7% · 2026-10-05T12:00:23Z |
| Last modified | 2026-08-26 |