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Vulnerability record · CVE-2026-46695 · published 10 June 2026

CVE-2026-46695: Improper access control vulnerability

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 does not restrict the kernel capabilities available inside the container, malicious code can remount the directory in rw mode, thereby gaining write access to that directory. This allows malicious code to perform arbitrary write operations on directories that should be read-only. This issue has been patched in version 0.9.0.

10.0 CVSS 3.1 Critical EPSS 0.48% · top 61.1% CWE-284 · Improper access control Deferred
10.0CVSS 3.1 base score
0.48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
23 Jul 2026Last modified by NVD

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 does not restrict the kernel capabilities available inside the container, malicious code can remount the directory in rw mode, thereby gaining write access to that directory. This allows malicious code to perform arbitrary write operations on directories that should be read-only. This issue has been patched in version 0.9.0.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N

References

LinkTags
https://github.com/boxlite-ai/boxlite/pull/454
https://github.com/boxlite-ai/boxlite/releases/tag/v0.9.0
https://github.com/boxlite-ai/boxlite/security/advisories/GHSA-g6ww-w5j2-r7x3
https://github.com/boxlite-ai/boxlite/security/advisories/GHSA-g6ww-w5j2-r7x3

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Source: NIST National Vulnerability Database (record CVE-2026-46695), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.