{"id":"CVE-2026-111646","published":"2026-10-16T18:17:45.440","lastModified":"2026-10-16T22:17:21.607","description":"SurveyKing before 1.13.0 contains a missing authorization vulnerability that allows unauthenticated attackers to download any stored file by id through GET /api/public/preview/{attachmentId}. Attackers who know or derive time-ordered snowflake file ids can bypass shared, owner, and project checks in FileServiceImpl.loadFile to read private survey attachments and respondent uploads.","cvssScore":5.9,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://github.com/javahuang/SurveyKing","tags":[]},{"url":"https://github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/api/src/main/java/cn/surveyking/server/api/SurveyApi.java#L99-L107","tags":[]},{"url":"https://github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/rdbms/src/main/java/cn/surveyking/server/impl/FileServiceImpl.java#L197-L228","tags":[]},{"url":"https://github.com/javahuang/SurveyKing/commit/9489171d53e55ace2856a91af38034665c0064a4","tags":[]},{"url":"https://hackmd.io/@hieuPenguinnn/surveyking-public-preview-unauth-file-read","tags":[]},{"url":"https://www.vulncheck.com/advisories/surveyking-before-1.13.0-unauthenticated-file-download-via-api-public-preview","tags":[]}],"exploitRefs":[{"url":"https://github.com/javahuang/SurveyKing","tags":[]},{"url":"https://github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/api/src/main/java/cn/surveyking/server/api/SurveyApi.java#L99-L107","tags":[]},{"url":"https://github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/rdbms/src/main/java/cn/surveyking/server/impl/FileServiceImpl.java#L197-L228","tags":[]},{"url":"https://github.com/javahuang/SurveyKing/commit/9489171d53e55ace2856a91af38034665c0064a4","tags":[]}],"hasPoc":true,"ai":null}