{"id":"CVE-2026-109310","revision":"93e66b6b271d4251849167b9a49068bc","records":[{"revision":"93e66b6b271d4251849167b9a49068bc","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-109310","aliases":[],"title":"SiYuan v3.1.12 before v3.8.6 Denial of Service via getDynamicIcon Template","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.","state":0,"publishedAt":"2026-10-12T16:05:06.076+00:00","modifiedAt":"2026-10-13T18:10:38.95+00:00","affected":[{"ecosystem":"Vendor product","name":"siyuan","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"siyuan-note\",\n                    \"product\": \"siyuan\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"packageURL\": \"pkg:golang/github.com/siyuan-note/siyuan/kernel\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.1.12\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.8.6\"\n                        },\n                        {\n                            \"version\": \"3.8.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":7.1,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":6.5,"severity":"MEDIUM"}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cxwr-r7cq-xw52","https://www.vulncheck.com/advisories/siyuan-3.1.12-before-3.8.6-denial-of-service-via-getdynamicicon-template"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-109310","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-109310","identifiers":["CVE-2026-109310"]},"retained":false,"historicalAffected":[]}],"coverage":[]}