CVE-2026-20660 Path traversal in Safari

Medium 5.5 Published Updated

A remote attacker can write arbitrary files due to a path handling flaw in Apple Safari and related operating systems.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-20660?

CVE-2026-20660 is a medium-severity path traversal vulnerability in Apple Ipados, published on 11 Feb 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

A path handling issue was addressed with improved logic. This issue is fixed in Safari 26.3, iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.5, macOS Sonoma 14.8.4, macOS Tahoe 26.3, visionOS 26.3. A remote user may be able to write arbitrary files.

Weakness: CWE-22

Which versions are affected by CVE-2026-20660?

It affects 5 products.

Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari, Apple Visionos.

How do I fix CVE-2026-20660?

No fix has been published for CVE-2026-20660 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-20660 being exploited?

There is no known exploitation of CVE-2026-20660 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

All Apple Ipados vulnerabilities

Sources

Also known as GHSA-c5gm-v7v7-vjx9.

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