CVE-2026-80050

Published: Aug 25, 2026Modified: Aug 26, 2026

7.1

Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: disclosure@vulncheck.com (Secondary)

Description

ContiNew Admin fails to apply file-upload permission checks or file-type allowlist validation to multipart upload endpoints, allowing authenticated users to store files with arbitrary extensions. Attackers can initialize chunked uploads, send file parts, and complete uploads to leave arbitrary files in the storage backend accessible via web server URLs.

Related CWEs

CWE-434

Unrestricted Upload of File with Dangerous Type

The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

References (5)

https://github.com/continew-org/continew-admin

Source: disclosure@vulncheck.com

https://github.com/continew-org/continew-admin/blob/v4.1.0/continew-system/src/main/java/top/continew/admin/system/controller/MultipartUploadController.java

Source: disclosure@vulncheck.com

https://github.com/continew-org/continew-admin/issues/221

Source: disclosure@vulncheck.com

https://www.vulncheck.com/advisories/continew-admin-through-4.1.0-missing-authorization-and-file-type-allowlist-on-multipart-upload-endpoints

Source: disclosure@vulncheck.com

https://github.com/continew-org/continew-admin/issues/221

Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0

Timeline

No history available yet.