CVE-2026-42315 Vulnerability Analysis & Exploit Details

CVE-2026-42315
Vulnerability Scoring

8.1
/10
Severe Risk

Cybersecurity professionals consider CVE-2026-42315 an immediate threat requiring urgent mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2026-42315 Details

Status: Analyzed

Last updated: 🕑 15 May 2026, 14:29 UTC
Originally published on: 🕕 11 May 2026, 18:16 UTC

Time between publication and last update: 3 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

CVE-2026-42315 Vulnerability Summary

CVE-2026-42315: pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, when passing a folder name in the set_package_data() API function call inside the data object with key "_folder", there is no sanitization at all, allowing a user with Perms.MODIFY to specify arbitrary directories as download locations for a package. This vulnerability is fixed in 0.5.0b3.dev100.

Assessing the Risk of CVE-2026-42315

Access Complexity Graph

The exploitability of CVE-2026-42315 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-42315

CVE-2026-42315 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-42315, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-42315, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2026-42315 has no significant impact on data confidentiality.
  • Integrity: High
    CVE-2026-42315 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: High
    CVE-2026-42315 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-42315 References

External References

CWE Common Weakness Enumeration

CWE-36

CAPEC Common Attack Pattern Enumeration and Classification

  • Absolute Path Traversal CAPEC-597 An adversary with access to file system resources, either directly or via application logic, will use various file absolute paths and navigation mechanisms such as ".." to extend their range of access to inappropriate areas of the file system. The goal of the adversary is to access directories and files that are intended to be restricted from their access.

Vulnerable Configurations

  • cpe:2.3:a:pyload-ng_project:pyload-ng:-:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:-:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev528:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev528:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev532:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev532:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev535:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev535:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev536:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev536:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev537:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev537:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev539:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev539:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev540:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev540:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev545:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev545:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev562:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev562:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev564:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev564:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev565:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a5.dev565:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a6.dev570:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a6.dev570:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a6.dev578:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a6.dev578:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a6.dev587:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a6.dev587:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a7.dev596:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a7.dev596:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a8.dev602:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a8.dev602:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev615:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev615:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev629:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev629:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev632:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev632:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev641:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev641:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev643:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev643:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev655:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev655:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev806:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0a9.dev806:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b1.dev1:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b1.dev1:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b1.dev2:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b1.dev2:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b1.dev3:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b1.dev3:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b1.dev4:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b1.dev4:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b1.dev5:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b1.dev5:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b2.dev10:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b2.dev10:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b2.dev11:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b2.dev11:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b2.dev12:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b2.dev12:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b2.dev9:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b2.dev9:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev13:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev13:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev14:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev14:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev17:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev17:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev18:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev18:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev19:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev19:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev20:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev20:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev21:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev21:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev22:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev22:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev24:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev24:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev26:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev26:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev27:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev27:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev28:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev28:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev29:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev29:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev30:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev30:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev31:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev31:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev32:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev32:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev33:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev33:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev34:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev34:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev35:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev35:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev38:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev38:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev39:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev39:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev40:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev40:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev41:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev41:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev42:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev42:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev43:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev43:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev44:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev44:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev45:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev45:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev46:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev46:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev47:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev47:*:*:*:*:python:*:*
  • cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev78:*:*:*:*:python:*:*
    cpe:2.3:a:pyload-ng_project:pyload-ng:0.5.0b3.dev78:*:*:*:*:python:*:*

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