CVE Catalog

CVE-2026-4337

HighCVSS 8.8
Published: Updated: Translated: NVD NIST

Summary

Unrestricted Upload of File with Dangerous Type vulnerability in the PuMuKIT application allows an unauthenticated user to upload any type of file to the server, and to any path where the web server user has write permissions. This could also allow them to delete files.

Risk Assessment

Could enable remote code execution via malicious file upload or data destruction via file deletion. High risk due to lack of authentication.

Recommendation

Update PuMuKIT to a patched version or restrict file uploads and web server user write permissions. Implement server-side file type validation.

Related vulnerabilities

Original NVD description (English source)

Unrestricted Upload of File with Dangerous Type vulnerability in the PuMuKIT application allows a unauthenticated user to upload any type of file to the server, and to any path where the web server user has write permissions. This could also allow them to delete files.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS