CVE-2026-64777 Path traversal in container

Medium 4.3 Published Updated

A malicious builder peer can read arbitrary files from the host by exploiting path traversal in Apple's container tool.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-64777?

CVE-2026-64777 is a medium-severity path traversal vulnerability in Apple container, published on 20 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A malicious builder peer may be able to request an in-context file by name from the host and receive the contents of whatever the name resolves to, even when it resolves outside the build context. This vulnerability is addressed in container version 1.2.0.

Weakness: CWE-22

Which versions are affected by CVE-2026-64777?

It affects 1 product.

Products include Apple Container.

How do I fix CVE-2026-64777?

No fix has been published for CVE-2026-64777 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-2026-64777 being exploited?

There is no known exploitation of CVE-2026-64777 in the wild and no public exploit code.

Sources

Also known as GHSA-2v2q-4q35-h585.

Is CVE-2026-64777 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free