CVE-2026-42312 Vulnerability Analysis & Exploit Details

CVE-2026-42312
Vulnerability Scoring

6.8
/10
High Risk

If left unpatched, CVE-2026-42312 could lead to major system disruptions or data loss.

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-2026-42312 Details

Status: Analyzed

Last updated: 🕑 15 May 2026, 14:09 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:H/PR:L/UI:N/S:U/C:H/I:H/A:N

CVE-2026-42312 Vulnerability Summary

CVE-2026-42312: pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev100, the set_config_value() API method (@permission(Perms.SETTINGS)) in src/pyload/core/api/__init__.py gates security-sensitive options behind a hand-maintained allowlist ADMIN_ONLY_CORE_OPTIONS. The option ("general", "ssl_verify") is not on that allowlist. Any authenticated user with the non-admin SETTINGS permission can set general.ssl_verify = off, and every subsequent outbound pycurl request is made with SSL_VERIFYPEER=0 and SSL_VERIFYHOST=0 — TLS peer and hostname verification are fully disabled. An on-path attacker can then present forged certificates for any hostname pyload fetches. This is a direct continuation of the fix family CVE-2026-33509 / CVE-2026-35463 / CVE-2026-35464 / CVE-2026-35586, each of which patched a different missed option in the same allowlist. This vulnerability is fixed in 0.5.0b3.dev100.

Assessing the Risk of CVE-2026-42312

Access Complexity Graph

The exploitability of CVE-2026-42312 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-2026-42312

This vulnerability, CVE-2026-42312, 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-2026-42312, 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-2026-42312, 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-2026-42312 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: High
    CVE-2026-42312 could allow unauthorized modifications to data, potentially affecting system reliability and trust.
  • Availability: None
    CVE-2026-42312 does not impact system availability.

CVE-2026-42312 References

External References

CWE Common Weakness Enumeration

CWE-863

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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