CVE-2026-80050 ContiNew Admin through 4.1.0 Missing Authorization and File-Type Allowlist on Multipart Upload Endpoints
Authenticated attackers can upload arbitrary files due to missing authorization and validation, potentially leading to code execution or data modification.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-80050?
CVE-2026-80050 is a high-severity vulnerability in continew-org continew-admin, published on 25 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-434
Which versions are affected by CVE-2026-80050?
How do I fix CVE-2026-80050?
No fix has been published for CVE-2026-80050 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-80050 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-80050 exists.
Sources
Also known as GHSA-4wpm-f9xp-x65x.