CVE-2026-35187: pyLoad is a free and open-source download manager written in Python

Routine

HIGH 7.7UPGRADE

CVE-2026-35187 is a high-severity flaw (CVSS 7.7) 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. In 0.5.0b3.dev96 and earlier, the parse_urls API function in src/pyload/core/api/__init__.py fetches arbitrary URLs server-side via get_url(url) (pycurl) without any URL validation, protocol restriction, or IP blacklist. An authenticated user with ADD permission can make HTTP/HTTPS requests to internal network resources and cloud metadata endpoints, read local files via file://

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.7 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-04-06
Last modified	2026-07-24

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

Last updated 2026-07-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-06 20:16 UTCPublished CVE record published
2026-07-24 21:10 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-2026-35187?

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

Is CVE-2026-35187 being exploited?

CVE-2026-35187 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-2026-35187 affect?

CVE-2026-35187 affects pyload-ng. Severity is high (CVSS 7.7). pyLoad is a free and open-source download manager written in Python. In 0.5.0b3.dev96 and earlier, the parse_urls API function in src/pyload/core/api/__init__.py fetches arbitrary URLs server-side via get_url(url) (pycurl) without any URL v

How urgent is CVE-2026-35187?

Priority 37/100. High severity; Public exploit reference

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-2026-42315 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
CVE-2026-42312 MEDIUM 6.8 UPGRADE pyLoad is a free and open-source download manager written in Python

References

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