CVE-2026-110451 - Vulnerability Details - OpenCVE

Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00131.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Nixos Subscribe	Nix Subscribe

No data.

No data.

OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

Vendors	Products
Nixos Subscribe	Nix Subscribe

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547

History

Thu, 15 Oct 2026 13:30:00 +0000

Type	Values Removed	Values Added
Title	Seatbelt Sandbox Escape via Mishandled Size Threshold on macOS
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Wed, 14 Oct 2026 17:00:00 +0000

Type	Values Removed	Values Added
Title		Seatbelt Sandbox Escape via Mishandled Size Threshold on macOS

Wed, 14 Oct 2026 04:30:00 +0000

Type	Values Removed	Values Added
Description		Nix before 2.35.3 and Lix before 2.95.4 on macOS allow a Seatbelt sandbox escape (for an unconfined build) because a certain size threshold is mishandled.
First Time appeared		Nixos Nixos nix
Weaknesses		CWE-863
CPEs		cpe:2.3:a:nixos:nix::::::::
Vendors & Products		Nixos Nixos nix
References		https://discourse.nixos.org/t/security-advisory-for-nix-and-lix-october-2026/80547
Metrics		cvssV3_1 `{'score': 4.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-10-14T04:08:10.471Z

Updated: 2026-10-14T14:54:42.999Z

Reserved: 2026-10-14T04:08:09.697Z

Link: CVE-2026-110451

Vulnrichment

Updated: 2026-10-14T14:54:26.351Z

NVD

Status : Deferred

Published: 2026-10-14T05:16:43.073

Modified: 2026-10-16T19:56:15.773

Link: CVE-2026-110451

Redhat

No data.

OpenCVE Enrichment

Updated: 2026-10-17T11:15:07Z

Weaknesses

CWE-863

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