CVE-2026-57957 | Papermark up to 0.22.0 TUS-based Viewer Upload Endpoint cross-domain policy (Issue 2178)

A vulnerability was found in Papermark up to 0.22.0. It has been classified as problematic. This affects an unknown part of the component TUS-based Viewer Upload Endpoint. Performing a manipulation results in permissive cross-domain policy with untrusted domains.

This vulnerability was named CVE-2026-57957. The attack may be initiated remotely. There is no available exploit.

It is suggested to install a patch to address this issue.VulDB Recent EntriesRead More