{"id":"CVE-2026-116166","revision":"74503e6ab0d64f96b02396566c76f520","records":[{"revision":"74503e6ab0d64f96b02396566c76f520","observedAt":"2026-10-25T15:17:04.459+00:00","statement":{"source":"cve-program","id":"CVE-2026-116166","aliases":[],"title":"SiYuan 3.6.0 before 3.8.7 Cleartext Transmission via Unenforced networkServeTLS Setting","description":"SiYuan 3.6.0 before 3.8.7 accepts and persists the networkServeTLS setting but never enforces it, so the kernel port keeps serving full API access over plain HTTP alongside HTTPS. Network-adjacent attackers can sniff the cleartext login flow and session cookie, which lacks the Secure attribute while responses omit HSTS, to hijack kernel API sessions.","state":0,"publishedAt":"2026-10-25T13:20:09.7+00:00","modifiedAt":"2026-10-25T13:20:09.7+00:00","affected":[{"ecosystem":"Vendor product","name":"siyuan","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"siyuan-note\",\n                    \"product\": \"siyuan\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.6.0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.8.7\"\n                        },\n                        {\n                            \"version\": \"3.8.7\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":7.6,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","score":6.8,"severity":"MEDIUM"}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-hpj5-f7cj-vvwr","https://www.vulncheck.com/advisories/siyuan-3.6.0-before-3.8.7-cleartext-transmission-via-unenforced-networkservetls-setting"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-116166","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-116166","identifiers":["CVE-2026-116166"]},"retained":false,"historicalAffected":[]}],"coverage":[]}