CVE-2026-33509 Vulnerability Analysis & Exploit Details

CVE-2026-33509
Vulnerability Scoring

7.5
/10
Very High Risk

Highly exploitable, CVE-2026-33509 poses a critical security risk that could lead to severe breaches.

Attack Complexity Details

  • Attack Complexity: High
    Exploits require significant effort and 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-2026-33509 Details

Status: Analyzed

Last updated: 🕣 26 Mar 2026, 20:47 UTC
Originally published on: 🕗 24 Mar 2026, 20:16 UTC

Time between publication and last update: 2 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-33509 Vulnerability Summary

CVE-2026-33509: pyLoad is a free and open-source download manager written in Python. From version 0.4.0 to before version 0.5.0b3.dev97, the set_config_value() API endpoint allows users with the non-admin SETTINGS permission to modify any configuration option without restriction. The reconnect.script config option controls a file path that is passed directly to subprocess.run() in the thread manager's reconnect logic. A SETTINGS user can set this to any executable file on the system, achieving Remote Code Execution. The only validation in set_config_value() is a hardcoded check for general.storage_folder — all other security-critical settings including reconnect.script are writable without any allowlist or path restriction. This issue has been patched in version 0.5.0b3.dev97.

Assessing the Risk of CVE-2026-33509

Access Complexity Graph

The exploitability of CVE-2026-33509 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-2026-33509

This vulnerability, CVE-2026-33509, requires a high level of attack complexity and low privileges, making it difficult but not impossible to exploit. Organizations should ensure robust security configurations to mitigate 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-2026-33509, 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-2026-33509, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-33509 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: High
    CVE-2026-33509 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: High
    CVE-2026-33509 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2026-33509 References

External References

CWE Common Weakness Enumeration

NVD-CWE-noinfo

Vulnerable Configurations

  • cpe:2.3:a:pyload:pyload:0.4:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:pyload:pyload:0.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:pyload:pyload:0.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:pyload:pyload:0.4.3:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4.3:*:*:*:*:*:*:*
  • cpe:2.3:a:pyload:pyload:0.4.4:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4.4:*:*:*:*:*:*:*
  • cpe:2.3:a:pyload:pyload:0.4.5:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4.5:*:*:*:*:*:*:*
  • cpe:2.3:a:pyload:pyload:0.4.6:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4.6:*:*:*:*:*:*:*
  • cpe:2.3:a:pyload:pyload:0.4.7:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4.7:*:*:*:*:*:*:*
  • cpe:2.3:a:pyload:pyload:0.4.8:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4.8:*:*:*:*:*:*:*
  • cpe:2.3:a:pyload:pyload:0.4.9:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4.9:*:*:*:*:*:*:*
  • cpe:2.3:a:pyload:pyload:0.4.20:*:*:*:*:*:*:*
    cpe:2.3:a:pyload:pyload:0.4.20:*:*:*:*:*:*:*
  • 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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