CVE-2026-42313: pyLoad is a free and open-source download manager written in Python

This month

HIGH 8.3UPGRADE

CVE-2026-42313 is a high-severity flaw (CVSS 8.3) affecting pyload-ng. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 allowlist contains ("proxy", "username") and ("proxy", "password") — which protect the proxy credentials — but it does not include ("proxy", "enabled"), ("proxy

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-441, CWE-863, CWE-918
Published	2026-05-11
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: pyload-ng project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-05-11 18:16 UTCPublished CVE record published
2026-06-17 10:47 UTCUpdated Record last modified

pyload-ng project pyload-ng UPGRADE

Affected: < 0.5.0b3.dev100

Fixed in: 0.5.0b3.dev100

Safe to downgrade to: no unaffected older release

1. Check installed version

pip show pyload-ng

2. UPGRADE to 0.5.0b3.dev100

pip install --upgrade "pyload-ng>=0.5.0b3.dev100"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-42313?

pyload-ng: upgrade to 0.5.0b3.dev100. Exact commands for each OS are on this page.

Is CVE-2026-42313 being exploited?

CVE-2026-42313 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-42313 affect?

CVE-2026-42313 affects pyload-ng. Severity is high (CVSS 8.3). 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-

How urgent is CVE-2026-42313?

Priority 42/100. High severity; Public exploit reference

Software pages

Python vulnerabilities

Related CVEs

CVE-2026-42315 HIGH 8.1 UPGRADE pyLoad is a free and open-source download manager written in Python
CVE-2026-42314 MEDIUM 6.5 UPGRADE pyLoad is a free and open-source download manager written in Python
CVE-2026-42312 MEDIUM 6.8 UPGRADE pyLoad is a free and open-source download manager written in Python
CVE-2026-40594 MEDIUM 4.8 UPGRADE pyLoad is a free and open-source download manager written in Python

References

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