CVE-2026-92919
8.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
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. Attackers can use dot-dot path segments in filenames to escape the configured storage directory and overwrite arbitrary files accessible to the server process.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| cjbi | admin3 | 0 <= 3.0.0 | affected |
Weaknesses
- CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: no
- Technical Impact: partial
References
- https://github.com/LinYuanyi1/cve-request-poc/blob/master/admin3/C03_storage_path_traversal_write.py
- 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://github.com/cjbi/admin3
- https://www.vulncheck.com/advisories/admin3-through-3.0.0-arbitrary-file-write-via-path-traversal-in-storage-upload-filename
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