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CVE-2026-35464

7.5 · HIGH

pyLoad is a free and open-source download manager written in Python.

Published Apr 7, 2026CWE-502EPSS 0.61%

Overview

CVE-2026-35464 is a high-severity vulnerability. It was published on April 7, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

pyLoad is a free and open-source download manager written in Python. The fix for CVE-2026-33509 added an ADMIN_ONLY_OPTIONS set to block non-admin users from modifying security-critical config options. The storage_folder option is not in this set and passes the existing path restriction because the Flask session directory is outside both PKGDIR and userdir. A user with SETTINGS and ADD permissions can redirect downloads to the Flask filesystem session store, plant a malicious pickle payload as a predictable session file, and trigger arbitrary code execution when any HTTP request arrives with the corresponding session cookie. This vulnerability is fixed with commit c4cf995a2803bdbe388addfc2b0f323277efc0e1.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/pyload/pyload/commit/c4cf995a2803bdbe388addfc2b0f323277efc0e1GitHubgithub.com/pyload/pyload/security/advisories/GHSA-4744-96p5-mp2jGitHubgithub.com/pyload/pyload/security/advisories/GHSA-r7mc-x6x7-cqxxRefwww.cve.org/CVERecord?id=CVE-2026-33509GitHubgithub.com/pyload/pyload/security/advisories/GHSA-4744-96p5-mp2j

How CyberStrike helps

Frequently asked questions

What is CVE-2026-35464?

CVE-2026-35464 is a high-severity vulnerability. It was published on April 7, 2026 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-35464?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-35464?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-35464?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-35464 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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