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CVE-2026-4360 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  Python Software Foundation
CVSS-B 2.0 LOW
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

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
Python Software Foundation
Python Software Foundation
Python Software Foundation
Python Software Foundation
Python Software Foundation
Python Software Foundation
Python Software Foundation

Weakness Enumeration

CWE-ID CWE Name Source
CWE-281 Improper Preservation of Permissions Python Software Foundation  

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-4360
NVD Published Date:
06/30/2026
NVD Last Modified:
06/30/2026
Source:
Python Software Foundation