All vulnerabilities

Servers and applications

CVE-2026-4360

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.

Severity
Low 2.0
Published
30 Jun 2026
Last changed
13 Aug 2026
Added to UpHeron
21 Oct 2026
Fixed in
3.1.5
Sources
NVD

Affected software

SoftwareAffected versions
PythonServers and applications · cpe:a:python:python
  • Every version before 3.1.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-4360
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-4360