CVE-2026-46703

BoxLite: Path Traversal Vulnerability in boxlite Leads to Arbitrary File Write on the Host

Published Jun 10, 2026 CVSS 3.1 · 9.6 Critical EPSS < 1% KEV · Not listed
Description
Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers within them to run untrusted code. Prior to version 0.9.0, Boxlite allows users to specify the OCI image used by containers in the sandbox. However, when processing tar entries in OCI images, Boxlite does not account for the possibility that entries may be symlinks pointing to absolute paths. An attacker can craft a malicious OCI image and distribute it on image hosting platforms such as DockerHub, tricking users into using it. Once a user loads the malicious image, the attacker can write arbitrary content to any path on the host, which can further lead to remote code execution on the host. This issue has been patched in version 0.9.0.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-f396-4rp4-7v2j Boxlite: Path Traversal Vulnerability Leads to Arbitrary File Write on the Host
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Boxlite-ai
Boxlite-ai boxlite
Vendors & Products Boxlite-ai
Boxlite-ai boxlite
Type Values Removed Values Added
Description Boxlite is a sandbox service that allows users to create lightweight virtual machines (Boxes) and launch OCI containers within them to run untrusted code. Prior to version 0.9.0, Boxlite allows users to specify the OCI image used by containers in the sandbox. However, when processing tar entries in OCI images, Boxlite does not account for the possibility that entries may be symlinks pointing to absolute paths. An attacker can craft a malicious OCI image and distribute it on image hosting platforms such as DockerHub, tricking users into using it. Once a user loads the malicious image, the attacker can write arbitrary content to any path on the host, which can further lead to remote code execution on the host. This issue has been patched in version 0.9.0.
Title BoxLite: Path Traversal Vulnerability in boxlite Leads to Arbitrary File Write on the Host
Weaknesses CWE-22
References
Metrics cvssV3_1

{'score': 9.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 11, 2026, 1:46 PM
Reserved
May 15, 2026, 11:26 PM
Status
Deferred
Published
Jun 10, 2026, 11:16 PM
Modified
Jul 23, 2026, 9:10 AM