{"id":"CVE-2026-110214","revision":"a41630ec769049edb11d8c67323e2e6f","records":[{"revision":"a41630ec769049edb11d8c67323e2e6f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-110214","aliases":[],"title":"Snowy 3.6.5 Hard-coded Download Signature Key Allows Unauthenticated File Download","description":"Snowy 3.6.5 contains a hard-coded HMAC key vulnerability that allows unauthenticated attackers to forge download signatures for the /dev/file/download endpoint by using the published FILE_DOWNLOAD_SIGN_SECRET constant. Attackers can compute HMAC-SHA256 signatures of guessed file ids offline to download stored files such as avatars, editor images and attachments.","state":0,"publishedAt":"2026-10-13T18:50:03.179+00:00","modifiedAt":"2026-10-13T19:23:28.663+00:00","affected":[{"ecosystem":"Vendor product","name":"Snowy","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"xiaonuobase\",\n                    \"product\": \"Snowy\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"3.6.5\",\n                            \"lessThanOrEqual\": \"3.6.5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"repo\": \"https://github.com/xiaonuobase/Snowy\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N","score":6.3,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","score":3.7,"severity":"LOW"}],"references":["https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/snowy-dev-file-access-control","https://github.com/xiaonuobase/Snowy/blob/v3.6.5/snowy-plugin/snowy-plugin-dev/src/main/java/vip/xiaonuo/dev/modular/file/service/impl/DevFileServiceImpl.java#L419-L445","https://github.com/xiaonuobase/Snowy/blob/v3.6.5/snowy-plugin/snowy-plugin-dev/src/main/java/vip/xiaonuo/dev/modular/file/service/impl/DevFileServiceImpl.java#L78","https://github.com/xiaonuobase/Snowy/blob/v3.6.5/snowy-web-app/src/main/java/vip/xiaonuo/core/config/GlobalConfigure.java#L174-L175","https://www.vulncheck.com/advisories/snowy-3.6.5-hard-coded-download-signature-key-allows-unauthenticated-file-download"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-110214","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-110214","identifiers":["CVE-2026-110214"]},"retained":false,"historicalAffected":[]}],"coverage":[]}