CVE-2026-26158
ADVISORY - nistSummary
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.
EPSS Score: 0.00154 (0.049)
Common Weakness Enumeration (CWE)
ADVISORY - nist
External Control of File Name or Path
ADVISORY - redhat
External Control of File Name or Path
NIST
CREATED
UPDATED
ADVISORY IDCVE-2026-26158
EXPLOITABILITY SCORE
1
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
7highDebian
CREATED
UPDATED
ADVISORY IDCVE-2026-26158
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
Ubuntu
CREATED
UPDATED
ADVISORY IDCVE-2026-26158
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-
CVSS SCORE
N/AmediumRed Hat
CREATED
UPDATED
ADVISORY IDCVE-2026-26158
EXPLOITABILITY SCORE
1.0
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)
CVSS SCORE
7highChainguard
CREATED
UPDATED
ADVISORY ID
CGA-p8w9-m28m-qr3h
EXPLOITABILITY SCORE
-
EXPLOITS FOUND
-
COMMON WEAKNESS ENUMERATION (CWE)-