Vulnerability record · CVE-2026-80050 · published 25 August 2026

CVE-2026-80050: Unrestricted file upload vulnerability

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.

7.1 CVSS 4.0 High EPSS 0.30% · top 79.7% CWE-434 · Unrestricted file upload Deferred

7.1CVSS 4.0 base score

0.30%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

5References

24 Sep 2026Last modified by NVD

Description

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:

References

Link	Tags
https://github.com/continew-org/continew-admin
https://github.com/continew-org/continew-admin/blob/v4.1.0/continew-system/src/main/java/top/continew/admin/system/contr
https://github.com/continew-org/continew-admin/issues/221
https://www.vulncheck.com/advisories/continew-admin-through-4.1.0-missing-authorization-and-file-type-allowlist-on-multi
https://github.com/continew-org/continew-admin/issues/221

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-80050), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.