CVE-2026-109310
SiYuan v3.1.12 before v3.8.6 Denial of Service via getDynamicIcon Template
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-770 |
| Vendor | siyuan-note |
| Product | siyuan |
| Published | Oct 12, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
siyuan-note / siyuan
3.1.12 < 3.8.6
References
Credits
🔍 kewmine