CVE-2026-35592 — Path Traversal in Pyload

CWE-22 — Path Traversal5 documents5 sources
Severity
5.3MEDIUMNVD
CNA8.1GHSA9.8OSV9.8
EPSS
0.0%
top 91.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
PyloadPyload-ng Project Pyload-ng
Timeline
PublishedApr 7
Latest updateApr 8

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…

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:NExploitability: 1.6 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5pyload/pyload< 0.5.0b3.dev97
▶PyPIpyload-ng_project/pyload-ng< 0.5.0b3.dev97

🔴Vulnerability Details

3
OSV
pyload-ng: Incomplete Tar Path Traversal Fix in UnTar._safe_extractall via os.path.commonprefix Bypass↗2026-04-08
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GHSA
pyload-ng: Incomplete Tar Path Traversal Fix in UnTar._safe_extractall via os.path.commonprefix Bypass↗2026-04-08
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CVEList
pyLoad has an Incomplete Tar Path Traversal Fix in UnTar._safe_extractall via os.path.commonprefix Bypass↗2026-04-07
▶

🕵️Threat Intelligence

1
Wiz
CVE-2026-35592 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-35592 — Path Traversal in Pyload | cvebase