CVE-2026-35592

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

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() was added to the codebase in the CVE-2026-32808 fix (commit 5f4f0fa) but was never applied to _safe_extractall(), making this an incomplete fix. This vulnerability is fixed in 0.5.0b3.dev97.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Weakness enumeration

CWE-22

Affected software

VendorProductVersions
pyloadpyload< 0.5.0b3.dev97

References

Timeline

Published
Apr 7, 2026
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2026-35592: Medium severity, CVSS 6.5 | Vulnix