CVE-2026-92919
Severity CVSS v4.0:
HIGH
Type:
CWE-22
Path Traversal
Publication date:
17/09/2026
Last modified:
22/09/2026
Description
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.
Impact
Base Score 4.0
7.20
Severity 4.0
HIGH
Base Score 3.x
8.10
Severity 3.x
HIGH
References to Advisories, Solutions, and Tools
- https://github.com/LinYuanyi1/cve-request-poc/blob/master/admin3/C03_storage_path_traversal_write.py
- https://github.com/cjbi/admin3
- https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin3/infra/storage/LocalStorage.java
- https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin3/infra/storage/StorageServiceImpl.java
- https://www.vulncheck.com/advisories/admin3-through-3.0.0-arbitrary-file-write-via-path-traversal-in-storage-upload-filename


