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Critical · 9.6 CVE-2026-46703 EUVD-2026-36165GHSA-f396-4rp4-7v2jGO-2026-5344PYSEC-2026-298RUSTSEC-2026-0148

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

Published Jun 10, 2026 · Updated Jun 11, 2026 · Assigned by GitHub_M

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.

Affected products

VendorProductAffectedFixed
boxlite-ai boxlite < 0.9.0 —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
openSUSE Leap 16.0 govulncheck-vulndb 0.0.20260723T184607-160000.1.1 openSUSE-SU-2026:21483-1

Affected packages

EcosystemPackageAffectedFixedRecord
crates.io boxlite < 0.9.0 0.9.0 GHSA-f396-4rp4-7v2j
crates.io boxlite >= 0.0.0-0, < 0.9.0 0.9.0 RUSTSEC-2026-0148
crates.io boxlite-cli < 0.9.0 0.9.0 GHSA-f396-4rp4-7v2j
Go github.com/boxlite-ai/boxlite/sdks/go < 0.9.0 0.9.0 GO-2026-5344
npm @boxlite-ai/boxlite < 0.9.0 0.9.0 GHSA-f396-4rp4-7v2j
PyPI boxlite < 0.9.0 0.9.0 PYSEC-2026-298

Advisories 1

References