CVE-2026-92919
admin3 through 3.0.0 Arbitrary File Write via Path Traversal in Storage Upload Filename
- State
- Published
- Severity
- 7.2 High
- Published
- Sep 17, 2026
- Updated
- Sep 24, 2026
- Reserved
- Sep 17, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.2 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.1 High | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H | VulnCheck |
Weaknesses
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Products
| Product | Versions |
|---|---|
admin3cjbi |
|
References
- admin3 - path traversal write through the storage upload filename (PoC)exploit
- LocalStorage.java at 3.0.0technical-description
- StorageServiceImpl.java at 3.0.0technical-description
- Productproduct
- VulnCheck Advisory: admin3 through 3.0.0 Arbitrary File Write via Path Traversal in Storage Upload Filenamethird-party-advisory
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