CVE-2026-111646
CVE-2026-111646 · SurveyKing before 1.13.0 Unauthenticated File Download via /api/public/preview
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 8.2 · High · EPSS 0.4% · Fix available
- Published
- Updated
Affected products and versions
surveyking
- Versions
- ≥ 0, < 1.13.0: Affected (custom)
Update to 1.13.0
Original sources
- https://hackmd.io/@hieuPenguinnn/surveyking-public-preview-unauth-file-read
- https://github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/api/src/main/java/cn/surveyking/server/api/SurveyApi.java#L99-L107
- https://github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/rdbms/src/main/java/cn/surveyking/server/impl/FileServiceImpl.java#L197-L228
- https://github.com/javahuang/SurveyKing/commit/9489171d53e55ace2856a91af38034665c0064a4
- https://github.com/javahuang/SurveyKing
- https://www.vulncheck.com/advisories/surveyking-before-1.13.0-unauthenticated-file-download-via-api-public-preview
- https://nvd.nist.gov/vuln/detail/CVE-2026-111646