5.3

CVE-2026-4360

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

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Python ≫ Python Version < 3.1.5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.24% 0.143
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.3 3.9 1.4
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
cna@python.org 2 0 0
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
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.

https://github.com/python/cpython/pull/151988
Patch
Issue Tracking
https://github.com/python/cpython/issues/151987
Patch
Issue Tracking
https://github.com/python/cpython/commit/5e0ef3f1afe892e4f64eb83368db57ac4c40cba0
Patch
https://github.com/python/cpython/commit/7b57e8d51446297b8c7c482d224bc5f1938e4301
Patch
https://github.com/python/cpython/commit/7ccdbaba2c54250a70d7f25632152df7655a5e0a
Patch
https://github.com/python/cpython/commit/eee3ddf0ca10283cc7fea724aae9cd8665f8d15e
Patch
https://github.com/python/cpython/commit/d2b2f5eacab4dd48446b63340613b05dcbbf0b44
Patch
https://mail.python.org/archives/list/security-announce@python.org/thread/TWZW2PC2AZOV6FENIHFSRC63OM7MBGSB/
Vendor Advisory
Issue Tracking