CVE-2026-111646
SurveyKing before 1.13.0 Unauthenticated File Download via /api/public/preview
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | javahuang |
| Product | surveyking |
| Published | Oct 16, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
javahuang / SurveyKing
0 < 1.13.0
References
hackmd.io: https://hackmd.io/@hieuPenguinnn/surveyking-public-preview-unauth-file-read github.com: https://github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/api/src/main/java/cn/surveyking/server/api/SurveyApi.java#L99-L107 github.com: https://github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/rdbms/src/main/java/cn/surveyking/server/impl/FileServiceImpl.java#L197-L228 github.com: https://github.com/javahuang/SurveyKing/commit/9489171d53e55ace2856a91af38034665c0064a4 github.com: https://github.com/javahuang/SurveyKing vulncheck.com: https://www.vulncheck.com/advisories/surveyking-before-1.13.0-unauthenticated-file-download-via-api-public-preview
Credits
hieuPenguinnn