CVE-2026-35592: pyLoad is a free and open-source download manager written in Python

Routine

MEDIUM 5.3UPGRADE

CVE-2026-35592 is a medium-severity flaw (CVSS 5.3) 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.dev97, the _safe_extractall() function in src/pyload/plugins/extractors/UnTar.py uses os.path.commonprefix() for its path traversal check, which performs character-level string comparison rather than path-level comparison. This allows a specially crafted tar archive to write files outside the intended extraction directory. The correct function os.path.commonpath

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 83%)
CISA exploited list	No
Weakness	CWE-22
Published	2026-04-07
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

2026-04-07 17:16 UTCPublished CVE record published
2026-06-17 10:40 UTCUpdated Record last modified

pyload-ng project pyload-ng UPGRADE

Affected: <= 0.5.0b3.dev96

Fixed in: newer than 0.5.0b3.dev96

Safe to downgrade to: no unaffected older release

1. Check installed version

pip show pyload-ng

2. UPGRADE to newer than 0.5.0b3.dev96

pip install --upgrade "pyload-ng>0.5.0b3.dev96"

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-2026-35592?

pyload-ng: upgrade to newer than 0.5.0b3.dev96. Exact commands for each OS are on this page.

Is CVE-2026-35592 being exploited?

CVE-2026-35592 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-2026-35592 affect?

CVE-2026-35592 affects pyload-ng. Severity is medium (CVSS 5.3). pyLoad is a free and open-source download manager written in Python. Prior to 0.5.0b3.dev97, the _safe_extractall() function in src/pyload/plugins/extractors/UnTar.py uses os.path.commonprefix() for its path traversal check, which performs

How urgent is CVE-2026-35592?

Priority 28/100. 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-2026-35187 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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