Security Advisory

CVE-2026-33511

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2026-03-24 18:56:08

Last updated 2026-03-25 14:28:19

Assigner GitHub_M

State PUBLISHED

Description

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 pyLoads 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.

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