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Vulnerabilities CVE-2026-4360

CVE-2026-4360

Low
Open
TLP:CLEAR

Tarfile.extract() doesn't fully respect filter parameter

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Description

In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract() function.

Details

CVSS Score
2.0
EPSS Score
0.28%

20th percentile

CVSS Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Confidence
90%
Published
Jun 30, 2026
Last Modified
Aug 13, 2026
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