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CVE-2026-46695— BoxLite: Permission Bypass in boxlite Allows Modification of Read-Only Files

Quick assessment

Affected
boxlite-ai boxlite
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

BoxLite是BoxLite开源的一个嵌入式微虚拟机运行时，为AI代理和代码执行场景提供硬件隔离的安全沙箱能力。 Boxlite 0.9.0之前版本存在访问控制错误漏洞，该漏洞源于未限制容器内核能力，恶意代码可重新挂载目录为读写模式，导致对只读目录进行任意写入操作。

CVSS 10.0 · Critical EPSS 0.48% · P39

Possible ATT&CK Techniques 1 AI

T1611.002

Affected Version Matrix 1

VendorProduct Version RangeStatus
boxlite-ai boxlite < 0.9.0 affected
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I. Basic Information for CVE-2026-46695

Vulnerability Information
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Vulnerability Title
BoxLite: Permission Bypass in boxlite Allows Modification of Read-Only Files
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Boxlite 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
BoxLite是BoxLite开源的一个嵌入式微虚拟机运行时，为AI代理和代码执行场景提供硬件隔离的安全沙箱能力。 Boxlite 0.9.0之前版本存在访问控制错误漏洞，该漏洞源于未限制容器内核能力，恶意代码可重新挂载目录为读写模式，导致对只读目录进行任意写入操作。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
boxlite-ai boxlite < 0.9.0 -

II. Public POCs for CVE-2026-46695

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 8943 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-46695

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Patches & Fixes for CVE-2026-46695 (1)

Vendor Advisories for CVE-2026-46695 (1)

Vendor Pages for CVE-2026-46695 (1)

Same Patch Batch · boxlite-ai · 2026-06-10 · 3 CVEs total

CVE-2026-46703 9.6 CRITICAL BoxLite: Path Traversal Vulnerability in boxlite Leads to Arbitrary File Write on the Host
CVE-2026-47213 6.5 MEDIUM BoxLite: Timeout Bypass Vulnerability

IV. Related Vulnerabilities

Same product: boxlite
Same vendor: boxlite-ai
Same weakness: CWE-284

V. Comments for CVE-2026-46695

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