{"id":"CVE-2026-73243","title":"kkFileView is a universal file online preview project based on Spring Boot","summary":"kkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated GET /addTask endpoint in kkFileView is omitted from TrustHostFilter and TrustDirFilter in server/src/main/java/cn/keking/conf…","severity":"medium","cvss":5.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","cwe":["CWE-918"],"published":"2026-08-11","updated":"2026-09-09","sourceUpdated":"2026-09-09T20:46:28.353","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-73243","references":[{"url":"https://github.com/kekingcn/kkFileView/commit/32a887aa2cd70228998c617c4e7df6cfcf3fe709","label":"security-advisories@github.com"},{"url":"https://github.com/kekingcn/kkFileView/issues/765","label":"security-advisories@github.com"},{"url":"https://github.com/kekingcn/kkFileView/pull/767","label":"security-advisories@github.com"},{"url":"https://github.com/kekingcn/kkFileView/releases/tag/v5.0.1","label":"security-advisories@github.com"},{"url":"https://github.com/kekingcn/kkFileView/security/advisories/GHSA-gwwj-52hv-6g2m","label":"security-advisories@github.com"},{"url":"https://github.com/kekingcn/kkFileView/security/advisories/GHSA-gwwj-52hv-6g2m","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00398,"epssPercentile":0.33747,"ingestedAt":"2026-09-09T21:22:45.529Z","slug":"CVE-2026-73243","body":"## Overview\n\nkkFileView is a universal file online preview project based on Spring Boot. Prior to 5.0.1, the unauthenticated GET /addTask endpoint in kkFileView is omitted from TrustHostFilter and TrustDirFilter in server/src/main/java/cn/keking/config/WebConfig.java, allowing FileConvertQueueTask to fetch an attacker-selected URL after FileHandlerService#getFileAttribute uses the fullfilename parameter to force an OFFICE, COMPRESS, or CAD type. This issue is fixed in version 5.0.1.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":32,"depthScoreParts":{"impact":31.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}