Vulnerability 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 Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/LinYuanyi1/cve-request-poc/blob/master/admin3/C03_storage_pat
- https://github.com/cjbi/admin3
- https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetec
- https://github.com/cjbi/admin3/blob/3.0.0/admin3-server/src/main/java/tech/wetec
- https://www.vulncheck.com/advisories/admin3-through-3.0.0-arbitrary-file-write-v
FAQ
What is CVE-2026-92919?
CVE-2026-92919 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 d...
How severe is CVE-2026-92919?
CVE-2026-92919 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-92919?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.