SEPTEMBER 20, 2026
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Case File

CVE-2026-68587

HIGH · CVSS 8.6 EPSS 0.24% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-03 · Last synced 2026-09-02

CyberRota Analysis

AI-Generated

Versions of SiYuan prior to v3.7.3 are susceptible to an information disclosure vulnerability that allows unauthorized users to access rendered content of publish-disabled documents through specific API endpoints. This flaw enables anonymous users or those with publish RoleReader tokens to exploit the system by supplying a heading block ID, potentially exposing sensitive information. Organizations using affected versions should prioritize patching to mitigate the risk of unauthorized data exposure.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-68587
Severity
HIGH
CVSS
8.6
EPSS
0.24%

Original NVD 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.