Lima: An arbitrary user in a QEMU VM could gain the root privilege in the VM via the guest agent socket

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Summary

CVECVE-2026-53657
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-10 17:16:57 UTC
Updated2026-07-10 19:10:59 UTC
DescriptionLima 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.

Risk And Classification

Primary CVSS: v3.1 8.2 HIGH from [email protected]

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

EPSS: 0.001970000 probability, percentile 0.095460000 (date 2026-07-12)

Problem Types: CWE-276 | CWE-668 | CWE-276 CWE-276: Incorrect Default Permissions | CWE-668 CWE-668: Exposure of Resource to Wrong Sphere

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.2HIGHCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
3.1CNADECLARED8.2HIGHCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Lima-vm Lima affected < 2.1.3 Not specified

References

ReferenceSourceLinkTags
github.com/lima-vm/lima/commit/8a45892378d22f40505c31a38f786a07701b6d50 [email protected] github.com
github.com/lima-vm/lima/commit/b08cae8a670cf916d5da11c48a6de76dabd89678 [email protected] github.com
github.com/lima-vm/lima/releases/tag/v2.1.3 [email protected] github.com
github.com/lima-vm/lima/security/advisories/GHSA-2j9v-p4xj-cjw2 [email protected] github.com
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