pyLoad is a free and open-source download manager written in Python. Prior to version 0.5.0b3.dev97, a Host Header Spoofing vulnerability in the @local_check decorator allows unauthenticated external attackers to bypass local-only restrictions. This grants access to the Click'N'Load API endpoints, enabling attackers to remotely queue arbitrary downloads, leading to Server-Side Request Forgery (SSRF) and Denial of Service (DoS). This issue has been patched in version 0.5.0b3.dev97.

Project Subscriptions

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-q485-cg9q-xq2r Improper Authentication and Origin Validation Error in pyload-ng
Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Tue, 24 Mar 2026 19:30:00 +0000

Type Values Removed Values Added
Description pyLoad is a free and open-source download manager written in Python. Prior to version 0.5.0b3.dev97, a Host Header Spoofing vulnerability in the @local_check decorator allows unauthenticated external attackers to bypass local-only restrictions. This grants access to the Click'N'Load API endpoints, enabling attackers to remotely queue arbitrary downloads, leading to Server-Side Request Forgery (SSRF) and Denial of Service (DoS). This issue has been patched in version 0.5.0b3.dev97.
Title pyload-ng: Improper Authentication and Origin Validation Error
Weaknesses CWE-287
CWE-346
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-24T18:52:28.834Z

Reserved: 2026-03-18T21:23:36.676Z

Link: CVE-2026-33314

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-03-24T20:16:27.690

Modified: 2026-03-24T20:16:27.690

Link: CVE-2026-33314

cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses