Description

A flaw was found in BusyBox. This vulnerability allows an attacker to modify files outside of the intended extraction directory by crafting a malicious tar archive containing unvalidated hardlink or symlink entries. If the tar archive is extracted with elevated privileges, this flaw can lead to privilege escalation, enabling an attacker to gain unauthorized access to critical system files.

INFO

Published Date :

2026-02-11T20:27:06.979Z

Last Modified :

2026-04-08T14:00:33.832Z

Source :

redhat
AFFECTED PRODUCTS

The following products are affected by CVE-2026-26158 vulnerability.

Vendors Products
Red Hat
  • Enterprise Linux
Redhat
  • Enterprise Linux
  • Hummingbird
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-26158.

URL Resource
https://access.redhat.com/security/cve/CVE-2026-26158 cve-icon cve-icon
https://bugzilla.redhat.com/show_bug.cgi?id=2439040 cve-icon cve-icon
https://git.busybox.net/busybox/commit/archival?id=3fb6b31c716669e12f75a2accd31bb7685b1a1cb cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-26158 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-26158 cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact