Vulnerability details
CVE-2026-92919
cjbi admin3
admin3 through 3.0.0 Arbitrary File Write via Path Traversal in Storage Upload Filename
CVSS 4.0
7.2High
Official 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.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.2High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | 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 |
| 8.1High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| cjbi | admin3 | v ≤ 3.0.0 | CVEProject cvelistV5 (CNA) |
References and advisories
5- https://github.com/LinYuanyi1/cve-request-poc/blob/master/admin3/C03_storage_path_traversal_write.py exploit
- https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin3/infra/storage/LocalStorage.java technical-description
- https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetech/admin3/infra/storage/StorageServiceImpl.java technical-description
- https://github.com/cjbi/admin3 product
- https://www.vulncheck.com/advisories/admin3-through-3.0.0-arbitrary-file-write-via-path-traversal-in-storage-upload-filename third-party-advisory
Kolun on Telegram @kolunsec
Exploited CVEs, key news and a daily digest
Alerts for this product's next CVEsFollow the product to get new vulnerabilities on Telegram.
Details
- Published
- 2026-09-17
- Last updated
- 2026-09-24
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.58%
Probability of exploitation in 30 days
48.1%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- Proof of concept
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')