CVE-2026-26158 — Busybox: busybox: arbitrary file modification and privilege escalation via unvalidated tar archive entries
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 un…
Published: 2026-02-11 · CVSS: 7.0 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7