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CVE-2026-42314— pyLoad: Path Traversal via Package Folder Name

Quick assessment

Affected
pyload pyload
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

pyLoad是pyLoad开源的一个用 Python 编写的免费开源下载管理器。 pyLoad 0.5.0b3.dev100之前版本存在路径遍历漏洞，该漏洞源于包文件夹名称清理不足，可能导致路径遍历。

CVSS 6.5 · Medium EPSS 0.42% · P34

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
pyload pyload < 0.5.0b3.dev100 affected
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I. Basic Information for CVE-2026-42314

Vulnerability Information
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Vulnerability Title
pyLoad: Path Traversal via Package Folder Name
Source: CVE Program / CVE List V5
Vulnerability Description
pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, package folder names are sanitized using insufficient string replacement. The pattern ....// becomes .._ after replacement (partial removal), leaving .. which can be exploited when the path is later resolved by the OS. This vulnerability is fixed in 0.5.0b3.dev100.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
pyLoad 路径遍历漏洞
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 0.5.0b3.dev100之前版本存在路径遍历漏洞，该漏洞源于包文件夹名称清理不足，可能导致路径遍历。
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

Vendor Product Affected Versions CPE Subscribe
pyload pyload < 0.5.0b3.dev100 -

II. Public POCs for CVE-2026-42314

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III. Intelligence Information for CVE-2026-42314

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Vendor Advisories for CVE-2026-42314 (1)

Same Patch Batch · pyload · 2026-05-11 · 5 CVEs total

CVE-2026-42313 8.3 HIGH pyload-ng: non-admin SETTINGS users can redirect all outbound traffic through an attacker-
CVE-2026-42315 8.1 HIGH pyLoad: Path Traversal via Package Folder Name in set_package_data
CVE-2026-42312 6.8 MEDIUM pyload-ng: non-admin SETTINGS users can disable outbound TLS peer verification
CVE-2026-44226 5.3 MEDIUM pyLoad: Unauthenticated traceback disclosure via global exception handler in WebUI

IV. Related Vulnerabilities

Same product: pyload
Same vendor: pyload
Same weakness: CWE-22

V. Comments for CVE-2026-42314

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