CVE-2026-33511 — pyload-ng: Authentication Bypass via Host Header Injection in ClickNLoad
pyLoad is a free and open-source download manager written in Python. From version 0.4.20 to before version 0.5.0b3.dev97, the local_check decorator in pyLoad's ClickNLoad featur…
Published: 2026-03-24 · CVSS: 8.8 · CVSS 4.0
pyLoad is a free and open-source download manager written in Python. From version 0.4.20 to before version 0.5.0b3.dev97, the local_check decorator in pyLoad's ClickNLoad feature can be bypassed by any remote attacker through HTTP Host header spoofing. This allows unauthenticated remote users to access localhost-restricted endpoints, enabling them to inject arbitrary downloads, write files to the storage directory, and execute JavaScript code. This issue has been patched in version 0.5.0b3.dev97.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7