---
id: "CVE-2026-112504"
kind: "vulnerability"
aliases: ["CVE-2026-112504"]
title: "macOS: directory path parsing flaw lets an app modify protected files"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "open"
category: "infrastructure"
products: []
ecosystems: []
tags: ["apple-devices", "endpoints", "infrastructure", "macos"]
not_affected_if: ["fixed-build"]
published_at: "2026-10-26T21:17:41+00:00"
first_seen_at: "2026-10-26T21:20:26+00:00"
updated_at: "2026-10-26T21:29:43+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-112504", "first_seen_at": "2026-10-26T21:20:26+00:00"}]
---

# macOS: directory path parsing flaw lets an app modify protected files

A parsing issue in how macOS handles directory paths let an app write to protected parts of the file system. Apple fixed it with stricter path validation in macOS Golden Gate 27.2, Sequoia 15.8.2 and Tahoe 26.7.2.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Run `sw_vers -productVersion` on each Mac and compare against the fixed versions.
- unknown

## Fix

- Update macOS to `27.2` (Golden Gate), `15.8.2` (Sequoia) or `26.7.2` (Tahoe) or later, via Software Update.

## Timeline

- 2026-10-26T21:20:26+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-112504

## From the sources

A parsing issue in the handling of directory paths was addressed with improved path validation. This issue is fixed in macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. An app may be able to modify protected parts of the file system.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_