High severityGHSA Advisory· Published Aug 21, 2025· Updated Apr 15, 2026

CVE-2025-57751

Description

pyLoad is the free and open-source Download Manager written in pure Python. The jk parameter is received in pyLoad CNL Blueprint. Due to the lack of jk parameter verification, the jk parameter input by the user is directly determined as dykpy.evaljs(), resulting in the server CPU being fully occupied and the web-ui becoming unresponsive. This vulnerability is fixed in 0.5.0b3.dev92.

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Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
pyload-ngPyPI	< 0.5.0b3.dev92	0.5.0b3.dev92

Affected products

Pyload/PyloadGHSA
Range: < 0.5.0b3.dev92
ghsa-coords
pkg:pypi/pyload-ng
Range: < 0.5.0b3.dev92

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-9gjj-6gj7-c4wjghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2025-57751ghsaADVISORY
github.com/pyload/pyload/security/advisories/GHSA-9gjj-6gj7-c4wjnvdWEB

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