CVE-2026-20685 Path traversal in Private Cloud Compute Server Software
An attacker in a privileged network position can leak sensitive information via a path handling issue in Apple Private Cloud Compute.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-20685?
CVE-2026-20685 is a medium-severity path traversal vulnerability in Apple Private Cloud Compute Server Software, published on 18 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An attacker in a privileged network position may be able to leak sensitive information. A path handling issue was addressed with improved validation. This issue is fixed in PCC Release 5E290.3.
Which versions are affected by CVE-2026-20685?
It affects 1 product.
Products include Apple Private Cloud Compute.
How do I fix CVE-2026-20685?
No fix has been published for CVE-2026-20685 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-2026-20685 being exploited?
There is no known exploitation of CVE-2026-20685 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-x835-6gm8-j3h4.