{"schema":"threatline.record/2","record":{"id":"CVE-2026-109310","aliases":["GHSA-cxwr-r7cq-xw52"],"summary":"SiYuan v3.1.12 before v3.8.6 Denial of Service via getDynamicIcon Template","details":"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.","categories":["Unclassified"],"product":"siyuan","vendor":"siyuan-note","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109310","source_modified_at":"2026-10-13T18:10:38.950Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"siyuan","vendor":"siyuan-note","versions":[{"version":"3.1.12","status":"affected","versionType":"semver","lessThan":"3.8.6"},{"version":"3.8.6","status":"unaffected","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-109310","source_modified_at":"2026-10-13T18:10:38.950Z","fetched_at":"2026-10-23T18:48:36.087640Z","package":{"name":"siyuan","ecosystem":null},"version":"3.8.6","basis":"first unaffected version stated in the CVE record"}],"cvss":7.1,"severity":"High","kev":{"listed":false},"epss":{"probability":0.0032,"percentile":0.23818,"score_date":"2026-10-23"},"published_at":"2026-10-12T16:05:06.076Z","modified_at":"2026-10-13T18:10:38.950Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-109310","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-13T18:10:38.950Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-109310","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://github.com/siyuan-note/siyuan/security/advisories/GHSA-cxwr-r7cq-xw52","tags":["exploit"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/siyuan-3.1.12-before-3.8.6-denial-of-service-via-getdynamicicon-template","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-13T18:10:14.106821Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-13T18:10:38.950Z","content_hash":"6007a94f8228c5c31181537825a2d52310ccf691233adbd13eaca6e05f380119"}}