CVE-2025-57751: Pyload

High severity, CVSS 7.7. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Pyload Pyload: before 0.5.0b3.dev92 (fixed in 0.5.0b3.dev92)

Published 2025-08-21. Last modified 2026-06-17.