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CVE-2026-80050— ContiNew Admin through 4.1.0 Missing Authorization and File-Type Allowlist on Multipart Upload Endpoints

Quick assessment

Affected
continew-org continew-admin
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

ContiNew 的管理界面未能对多部件上传（multipart upload）端点实施文件上传权限检查或文件类型白名单验证，导致经身份认证的用户能够存储任意扩展名的文件。攻击者可以初始化分块上传、发送文件片段并完成上传，从而在后端存储中留下可通过 Web 服务器 URL 直接访问的任意文件。

CVSS 6.5 · Medium

Possible ATT&CK Techniques 1 AI

T1565.001 · Stored Data Manipulation

Affected Version Matrix 1

VendorProduct Version RangeStatus
continew-org continew-admin ≤ 4.1.0 affected
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I. Basic Information for CVE-2026-80050

Vulnerability Information
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Vulnerability Title
ContiNew Admin through 4.1.0 Missing Authorization and File-Type Allowlist on Multipart Upload Endpoints
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
continew-org continew-admin 0 ~ 4.1.0 -

II. Public POCs for CVE-2026-80050

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III. Intelligence Information for CVE-2026-80050

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Proof of Concept for CVE-2026-80050 (1)

News Coverage for CVE-2026-80050 (1)

IV. Related Vulnerabilities

Same weakness: CWE-434

V. Comments for CVE-2026-80050

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