medium6.5
CVE-2026-109310
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.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| SiYuan V3.1.12 | before 3.8.6 |
Versions were read from the advisory text. No structured product data has been published for this record yet.