CVE-2026-4360
Tarfile.extract() doesn't fully respect filter parameter
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.
INFO
Published Date :
June 30, 2026, 2:45 p.m.
Last Modified :
June 30, 2026, 2:45 p.m.
Remotely Exploit :
Yes !
Source :
PSF
Affected Products
The following products are affected by CVE-2026-4360
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | LOW | 28c92f92-d60d-412d-b760-e73465c3df22 | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update the tarfile library to the latest secure version.
- Verify tarfile extraction processes adhere to security guidelines.
- Review code for proper filter parameter usage.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-4360 vulnerability anywhere in the article.