Origin Validation Error Affecting pyload-ng package, versions [,0.5.0b3.dev97)


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.18% (9th percentile)

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  • Snyk IDSNYK-PYTHON-PYLOADNG-15757704
  • published23 Mar 2026
  • disclosed19 Mar 2026
  • creditJay Neiva, Pr00fOf3xpl0it

Introduced: 19 Mar 2026

CVE-2026-33314  (opens in a new tab)
CWE-287  (opens in a new tab)
CWE-346  (opens in a new tab)

How to fix?

Upgrade pyload-ng to version 0.5.0b3.dev97 or higher.

Overview

pyload-ng is a The free and open-source Download Manager written in pure Python

Affected versions of this package are vulnerable to Origin Validation Error via the @local_check decorator. An attacker can gain unauthorized access to restricted API endpoints by spoofing the Host header in HTTP requests, allowing them to queue arbitrary downloads, trigger outbound requests to attacker-controlled or internal URLs, and potentially exhaust server resources.

References

CVSS Base Scores

version 4.0
version 3.1