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.
Published: 2026-10-21
Score: 6.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Thu, 22 Oct 2026 12:30:00 +0000

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


Thu, 22 Oct 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Busybox
Busybox busybox
Vendors & Products Busybox
Busybox busybox

Wed, 21 Oct 2026 17:15:00 +0000

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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: zdi

Published:

Updated: 2026-10-21T17:17:22.583Z

Reserved: 2026-09-15T18:15:24.701Z

Link: CVE-2026-92205

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-21T18:17:31.007

Modified: 2026-10-22T17:34:37.867

Link: CVE-2026-92205

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-10-21T17:17:22Z

Links: CVE-2026-92205 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-10-22T15:30:08Z

Weaknesses
  • CWE-22

    Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

  • CWE-59

    Improper Link Resolution Before File Access ('Link Following')