CVE-2026-92205

BusyBox libarchive Symlink Directory Traversal Arbitrary File Creation Vulnerability

Published Oct 21, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
BusyBox libarchive Symlink Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows remote attackers to create arbitrary files on affected installations of BusyBox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the libarchive component. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of the current user. Was ZDI-CAN-27556.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-59
References
Metrics threat_severity

None

cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L'}

threat_severity

Moderate

Type Values Removed Values Added
First Time appeared Busybox
Busybox busybox
Vendors & Products Busybox
Busybox busybox
Type Values Removed Values Added
Description BusyBox libarchive Symlink Directory Traversal Arbitrary File Creation Vulnerability. This vulnerability allows remote attackers to create arbitrary files on affected installations of BusyBox. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the libarchive component. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to create files in the context of the current user. Was ZDI-CAN-27556.
Title BusyBox libarchive Symlink Directory Traversal Arbitrary File Creation Vulnerability
Weaknesses CWE-22
References
Metrics cvssV3_0

{'score': 6.1, 'vector': 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
zdi
Published
Updated
Oct 30, 2026, 3:33 PM
Reserved
Sep 15, 2026, 6:15 PM
Status
Awaiting Analysis
Published
Oct 21, 2026, 6:17 PM
Modified
Oct 30, 2026, 4:17 PM
Severity
Moderate
Public date
Oct 21, 2026, 5:17 PM