CVE-2025-57751— Denial-of-Service attack in pyLoad CNL Blueprint using dukpy.evaljs
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I. Basic Information for CVE-2025-57751
Vulnerability Information
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Vulnerability Title
Denial-of-Service attack in pyLoad CNL Blueprint using dukpy.evaljs
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: NVD (National Vulnerability Database)
Vulnerability Title
pyLoad 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
pyLoad是pyLoad开源的一个用 Python 编写的免费开源下载管理器。 pyLoad存在资源管理错误漏洞，该漏洞源于jk参数验证不足，可能导致服务器CPU占用过高。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-57751
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IV. Related Vulnerabilities
Same product: pyload
- CVE-2026-41133
pyLoad has Stale Session Privilege After Role/Permission Cha - CVE-2026-40594
pyLoad: Session Cookie Security Downgrade via Untrusted X-Fo - CVE-2026-40071
pyLoad WebUI JSON permission mismatch lets ADD/DELETE users - CVE-2026-35592
pyLoad has an Incomplete Tar Path Traversal Fix in UnTar._sa - CVE-2026-35586
Authorization Bypass for SSL Certificate/Key Configuration D
Same vendor: pyload
- CVE-2026-41133
pyLoad has Stale Session Privilege After Role/Permission Cha - CVE-2026-40594
pyLoad: Session Cookie Security Downgrade via Untrusted X-Fo - CVE-2026-40071
pyLoad WebUI JSON permission mismatch lets ADD/DELETE users - CVE-2026-35592
pyLoad has an Incomplete Tar Path Traversal Fix in UnTar._sa - CVE-2026-35586
Authorization Bypass for SSL Certificate/Key Configuration D
Same weakness: CWE-400
- CVE-2026-8187
Open5GS UPF gtp-path.c _gtpv1_u_recv_cb resource consumption - CVE-2026-42343
FastGPT: Uncontrolled Resource Consumption leading to Sandbo - CVE-2026-42212
SolidCAM-GPPL-IDE: XML External Entity (XXE) and billion-lau - CVE-2026-32686
Unbounded exponent in decimal enables unauthenticated DoS - CVE-2026-20188
Cisco Crosswork Network Controller and Cisco Network Service
V. Comments for CVE-2025-57751
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