{"id":"CVE-2026-62204","revision":"e306c30b52b54be3a7222cc9cb11f7d5","records":[{"revision":"e306c30b52b54be3a7222cc9cb11f7d5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-62204","aliases":[],"title":"SiYuan before v3.7.4 Plugin Overwrite via Bazaar Install","description":"SiYuan versions before v3.7.4 fail to validate that packageName matches the downloaded package content in bazaar install endpoints. Attackers with same-origin access can overwrite existing trusted plugins by supplying mismatched packageName and repoURL parameters, achieving persistence across application restarts.","state":0,"publishedAt":"2026-08-22T12:26:41.933+00:00","modifiedAt":"2026-08-26T17:53:20.106+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\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"3.7.4\"\n                        },\n                        {\n                            \"version\": \"3.7.4\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L","score":5.9,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L","score":6.6,"severity":"MEDIUM"}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rpx2-p6hp-x5gj","https://www.vulncheck.com/advisories/siyuan-before-plugin-overwrite-via-bazaar-install"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-62204","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-62204","identifiers":["CVE-2026-62204"]},"retained":false,"historicalAffected":[]}],"coverage":[]}