{"id":"CVE-2026-111646","title":"SurveyKing before 1.13.0 Unauthenticated File Download via /api/public/preview","summary":"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 sno…","severity":"medium","cvss":5.9,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","cvssSource":"cna","cwe":["CWE-862"],"vendor":"javahuang","product":"SurveyKing","affected":["SurveyKing < 1.13.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-16T19:34:01.319103Z"},"published":"2026-10-16","updated":"2026-10-16","sourceUpdated":"2026-10-16T21:18:43.318Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-111646","references":[{"url":"https://hackmd.io/@hieuPenguinnn/surveyking-public-preview-unauth-file-read"},{"url":"https://github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/api/src/main/java/cn/surveyking/server/api/SurveyApi.java#L99-L107"},{"url":"https://github.com/javahuang/SurveyKing/blob/6e1fdd59f9b331ac90a26402ac86a002cc9155a9/server/rdbms/src/main/java/cn/surveyking/server/impl/FileServiceImpl.java#L197-L228"},{"url":"https://github.com/javahuang/SurveyKing/commit/9489171d53e55ace2856a91af38034665c0064a4"},{"url":"https://github.com/javahuang/SurveyKing"},{"url":"https://www.vulncheck.com/advisories/surveyking-before-1.13.0-unauthenticated-file-download-via-api-public-preview","label":"VulnCheck Advisory: SurveyKing before 1.13.0 Unauthenticated File Download via /api/public/preview"}],"tags":["cve.org"],"ingestedAt":"2026-10-16T18:43:08.679Z","slug":"CVE-2026-111646","body":"## Overview\n\nSurveyKing 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.\n\n## Affected\n\n- `SurveyKing < 1.13.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":32.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}