Description


SiYuan v3.1.12 before v3.8.6 fails to restrict the Sprig template function map in the /api/icon/getDynamicIcon content parameter, allowing resource exhaustion. A publish reader, or anyone when publish auth is disabled, can use uncapped functions like until to OOM-kill the kernel with one request.

Related CPE's


Could not find any relations

Weaknesses



CWE-770

CVSS impact metrics


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

6.5 · Medium

Information


Source identifier

[email protected]

Vulnerability status

Deferred

Published

2026-10-12T17:17:25.560Z

1 hour ago

Last modified

2026-10-12T17:17:25.680Z

1 hour ago