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VULNERABILITIES

CVE-2026-4360 Details

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

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/python/cpython/commit/0367912be336348b30572f8029cec4a282782d92 [email protected]
https://github.com/python/cpython/commit/5e0ef3f1afe892e4f64eb83368db57ac4c40cba0 [email protected]Patch
https://github.com/python/cpython/commit/7b57e8d51446297b8c7c482d224bc5f1938e4301 [email protected]Patch
https://github.com/python/cpython/commit/7ccdbaba2c54250a70d7f25632152df7655a5e0a [email protected]Patch
https://github.com/python/cpython/commit/cf23b9153181062150d061468b6d24af33fe214f [email protected]

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-281Improper Preservation of Permissions[email protected]

Affected Products

ProductVersions
python python
< 3.1.5

CPE

  • cpe:2.3:a:python:python:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

10 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-4360
NVD Published Date:
Jun 30, 2026
NVD Last Modified:
Aug 13, 2026
Source:
[email protected]
CVE-2026-4360 Details - Not Deferred