Categories
CVE-2026-33511

pyload-ng: Authentication Bypass via Host Header Injection in ClickNLoad

Summary

pyload-ng: Authentication Bypass via Host Header Injection in ClickNLoad

Original description

The description as published by the source.

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: OSV.dev (Open Source Vulnerabilities) NVD GitHub Advisory OSV

References

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