CVE-2026-20685 | BDVDB-2026-333813 Detail

ApplePrivate Cloud Compute Server Software

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: adjacent.

Weaknesses#

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CWE-20 Improper Input Validation

References#

https://security.apple.com/documentation/private-cloud-compute/releasenotes#darwin-init

Exploit#

No public exploit known

History#

Version 12026-05-18Record published in the CVE List.

Published

Published: 2026-05-18
Last modified: 2026-05-18

Vendor information

Vendor: Apple
Product: Private Cloud Compute Server Software

All Apple vulnerabilities

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 20.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Path Traversal

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 5E290.3
Fixed
5E290.3

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Metric breakdown
Attack Vector	Adjacent
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).