6.8

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2026-35586

CVE-2026-35586: Authorization Bypass for SSL Certificate/Key Configuration Due to Option Name Mismatch in pyload-ng

pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev97, the ADMIN_ONLY_CORE_OPTIONS authorization set in set_config_value() uses incorrect option names ssl_cert and ssl_key, while the actual configuration option names are ssl_certfile and ssl_keyfile. This name mismatch causes the admin-only check to always evaluate to False, allowing any user with SETTINGS permission to overwrite the SSL certificate and key file paths. Additionally, the ssl_certchain option was never added to the admin-only set at all. This vulnerability is fixed in 0.5.0b3.dev97.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2026-35586

CVE-2026-35586:

6.8

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

SSVC / BOD 26-04 ↗

Exploitation pocAutomatable NoTech Impact Total

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Package Name	Ecosystem	Vulnerable Versions	First Patched Version
pyload-ng	pip	< 0.5.0b3.dev97	0.5.0b3.dev97

Technical Details

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Root Cause Analysis

The vulnerability exists in the set_config_value function within src/pyload/core/api/__init__.py. This function is responsible for handling configuration changes. It attempts to protect sensitive settings by checking them against a predefined set called ADMIN_ONLY_CORE_OPTIONS. However, the set contained incorrect names for the SSL certificate and key file settings (ssl_cert and ssl_key instead of the correct ssl_certfile and ssl_keyfile). Additionally, the ssl_certchain setting was missing entirely from this protected set. Consequently, when a non-admin user with the necessary 'SETTINGS' permission sends a request to change these SSL settings, the authorization check fails to recognize them as admin-only, permitting the unauthorized modification. This allows an attacker to point the web server to malicious SSL certificate and key files, enabling them to intercept and decrypt all HTTPS traffic, including administrator credentials.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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