CVE-2026-64777

Apple Container Builder Peer File Disclosure Vulnerability

Published Aug 20, 2026 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:apple:container:*:*:*:*:*:swift:*:*
Type Values Removed Values Added
Title Apple Container Builder Peer File Disclosure Vulnerability
Type Values Removed Values Added
First Time appeared Apple
Apple container
Vendors & Products Apple
Apple container
Type Values Removed Values Added
Weaknesses CWE-22
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
apple
Published
Updated
Aug 20, 2026, 7:47 PM
Reserved
Jul 20, 2026, 6:10 PM
Status
Analyzed
Published
Aug 20, 2026, 7:16 PM
Modified
Oct 18, 2026, 8:10 PM