VULNERABILITY INTELLIGENCE
CVE-2026-26158
CVSS score7 HIGH
EPSS probability0.19%
CISA KEVNot currently listed
Published2026-02-11
Last modified2026-07-15
CVSS vectorCVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
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.
Weakness classification
- secalert@redhat.com: CWE-73
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-73