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PatchSiren cyber security CVE debrief

CVE-2026-46695 boxlite-ai CVE debrief

CVE-2026-46695 is a critical vulnerability in the Boxlite sandbox service, which allows users to create lightweight virtual machines and launch OCI containers. The issue arises from the service not restricting kernel capabilities inside the container, enabling malicious code to remount directories in rw mode and gain write access to read-only directories. This vulnerability has been patched in version 0.9.0.

Vendor
boxlite-ai
Product
boxlite
CVSS
CRITICAL 10
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-10
Original CVE updated
2026-06-11
Advisory published
2026-06-10
Advisory updated
2026-06-11

Who should care

Users of Boxlite's sandbox service, particularly those running versions prior to 0.9.0, should be aware of this vulnerability and take immediate action to update to the patched version.

Technical summary

The vulnerability has a CVSS score of 10 and is classified as CRITICAL. It allows malicious code to perform arbitrary write operations on read-only directories by remounting them in rw mode. The issue is addressed in version 0.9.0 of Boxlite.

Defensive priority

High

Recommended defensive actions

  • Update Boxlite to version 0.9.0 or later to patch the vulnerability.
  • Review and restrict kernel capabilities inside containers to prevent similar issues in the future.

Evidence notes

The vulnerability is confirmed by the CVE record and NVD detail pages. The patch is available in version 0.9.0 of Boxlite.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-46695 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-46695

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-46695 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-46695

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.