Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-53657— Lima: An arbitrary user in a QEMU VM could gain the root privilege in the VM via the guest agent socket

Quick assessment

Affected
lima-vm lima
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.

Linux Machines Lima是Linux Machines公司开源的一款能在 macOS 等系统上启动 Linux 虚拟机、并自动实现文件共享与端口转发的工具，核心定位是让用户便捷地运行容器（支持 containerd、Docker、Kubernetes 等）。 Linux Machines Lima 2.1.3之前版本存在权限许可和访问控制问题漏洞，该漏洞源于当guest agent启用时，虚拟机中任意用户可访问/run/lima-guestagent.sock，可能导致在虚拟机中利用root

CVSS 8.2 · High EPSS 0.13% · P3

Affected Version Matrix 1

VendorProduct Version RangeStatus
lima-vm lima < 2.1.3 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-53657

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Lima: An arbitrary user in a QEMU VM could gain the root privilege in the VM via the guest agent socket
Source: CVE Program / CVE List V5
Vulnerability Description
Lima launches Linux virtual machines, typically on macOS, for running containerd. Prior to 2.1.3, on an instance of Lima running with the qemu driver, an arbitrary user in the VM could access /run/lima-guestagent.sock when the guest agent is enabled, which could result in running arbitrary commands with root privileges in the VM because the guest agent socket provides tunneling for arbitrary addresses, including Unix socket addresses for privileged daemons like D-Bus. This issue is fixed in version 2.1.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
缺省权限不正确
Source: CVE Program / CVE List V5
Vulnerability Title
Linux Machines Lima 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux Machines Lima是Linux Machines公司开源的一款能在 macOS 等系统上启动 Linux 虚拟机、并自动实现文件共享与端口转发的工具，核心定位是让用户便捷地运行容器（支持 containerd、Docker、Kubernetes 等）。 Linux Machines Lima 2.1.3之前版本存在权限许可和访问控制问题漏洞，该漏洞源于当guest agent启用时，虚拟机中任意用户可访问/run/lima-guestagent.sock，可能导致在虚拟机中利用root
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
lima-vm lima < 2.1.3 -

II. Public POCs for CVE-2026-53657

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10143 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-2026-53657

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-53657 (2)

Vendor Advisories for CVE-2026-53657 (1)

Vendor Pages for CVE-2026-53657 (1)

IV. Related Vulnerabilities

Same product: lima
Same vendor: lima-vm
Same weakness: CWE-276

V. Comments for CVE-2026-53657

No comments yet

Leave a comment