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CVE-2026-4360

nvd nist
Published: Jun 30, 2026Modified: Jul 9, 2026

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2.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: CNA (Secondary)

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.

Affected (1)

Products: Python: Python
Python
1 product
Python
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Python
Before 3.1.5

Related CWEs

CWE-281
Improper Preservation of Permissions
The product does not preserve permissions or incorrectly preserves permissions when copying, restoring, or sharing objects, which can cause them to have less restrictive permissions than intended.

References (8)

Source: cna@python.org
Patch
Source: cna@python.org
Patch
Source: cna@python.org
Patch
Source: cna@python.org
Patch
Source: cna@python.org
Patch
Source: cna@python.org
Issue TrackingPatch
Source: cna@python.org
Issue TrackingPatch
Source: cna@python.org
Issue TrackingVendor Advisory

Timeline

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