PT-2026-79542 · Siyuan · Siyuan
CVSS v4.0
6.9
Medium
| Vector | AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N |
Name of the Vulnerable Software and Affected Versions
SiYuan versions prior to 3.8.0
Description
The
http request MCP tool interpolates secret placeholders into the destination URL parameter. This allows an MCP client to craft a request using an attacker-controlled URL containing secret placeholders, resulting in the exfiltration of stored secret values in plaintext to any public host without confirmation.Recommendations
Update to version 3.8.0 or later.
Exploit
Fix
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Weakness Enumeration
Related Identifiers
Affected Products
Siyuan