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CVE-2025-57751

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Date: August 21, 2025

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.

Severity Score

Related Resources (4)

https://github.com/pyload/pyload/security/advisories/GHSA-9gjj-6gj7-c4wj
https://github.com/pyload/pyload
https://nvd.nist.gov/vuln/detail/CVE-2025-57751
https://www.mend.io/vulnerability-database/CVE-2025-57751

Severity Score

Weakness Type (CWE)

Uncontrolled Resource Consumption

CWE-400

Top Fix

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Upgrade to version pyload-ng - 0.5.0b3.dev92

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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