{"id":"CVE-2026-92919","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-92919","summary":"admin3 through 3.0.0 fails to sanitize client-supplied filenames in the upload handler, allowing authenticated users to write files outside the storage root on Windows deployments.…","details":"admin3 through 3.0.0 fails to sanitize client-supplied filenames in the upload handler, allowing authenticated users to write files outside the storage root on Windows deployments. Attackers can use dot-dot path segments in filenames to escape the configured storage directory and overwrite arbitrary files accessible to the server process.","published":"2026-09-17T13:17:01.173","modified":"2026-09-17T13:17:01.173","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://github.com/LinYuanyi1/cve-request-poc/blob/master/admin3/C03_storage_path_traversal_write.py"},{"type":"WEB","url":"https://github.com/cjbi/admin3"},{"type":"WEB","url":"https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin3/infra/storage/LocalStorage.java"},{"type":"WEB","url":"https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin3/infra/storage/StorageServiceImpl.java"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/admin3-through-3.0.0-arbitrary-file-write-via-path-traversal-in-storage-upload-filename"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-17T13:17:01.173"}}