Vulnerability · Published May 18, 2026 · Assigned by apple
CVE-2026-20685
Medium 6.5
In plain English
A medium-severity path traversal in Private Cloud Compute Server Software from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 80.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Apple | Private Cloud Compute Server Software | 0 – before 5E290.3 |
Weakness: CWE-22, CWE-20 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N