CVE-2026-33314: pyLoad is a free and open-source download manager written in Python

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MEDIUM 6.5REMOTEUPGRADE

CVE-2026-33314 is a medium-severity flaw (CVSS 6.5) 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 version 0.5.0b3.dev97, a Host Header Spoofing vulnerability in the @local_check decorator allows unauthenticated external attackers to bypass local-only restrictions. This grants access to the Click'N'Load API endpoints, enabling attackers to remotely queue arbitrary downloads, leading to Server-Side Request Forgery (SSRF) and Denial of Service (DoS). This issue has bee

Why this priority

Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 91%)
CISA exploited list	No
Weakness	CWE-287, CWE-346
Published	2026-03-24
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

2026-03-24 20:16 UTCPublished CVE record published
2026-06-17 10:37 UTCUpdated Record last modified

pyload-ng project pyload-ng UPGRADE

Affected: < 0.5.0b3.dev97

Fixed in: 0.5.0b3.dev97

Safe to downgrade to: no unaffected older release

1. Check installed version

pip show pyload-ng

2. UPGRADE to 0.5.0b3.dev97

pip install --upgrade "pyload-ng>=0.5.0b3.dev97"

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-2026-33314?

pyload-ng: upgrade to 0.5.0b3.dev97. Exact commands for each OS are on this page.

Is CVE-2026-33314 being exploited?

CVE-2026-33314 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-2026-33314 affect?

CVE-2026-33314 affects pyload-ng. Severity is medium (CVSS 6.5). pyLoad is a free and open-source download manager written in Python. Prior to version 0.5.0b3.dev97, a Host Header Spoofing vulnerability in the @local_check decorator allows unauthenticated external attackers to bypass local-only restricti

How urgent is CVE-2026-33314?

Priority 35/100. Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Python vulnerabilities

Related CVEs

CVE-2026-35459 CRITICAL 9.1 UPGRADE pyLoad is a free and open-source download manager written in Python
CVE-2026-35187 HIGH 7.7 UPGRADE pyLoad is a free and open-source download manager written in Python
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-2026-42313 HIGH 8.3 UPGRADE pyLoad is a free and open-source download manager written in Python

References

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