Apple Container Builder <1.2.0: In-Context File Disclosure
CVE-2026-64777 Published on August 20, 2026
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.
Vulnerability Analysis
CVE-2026-64777 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is a Directory traversal Vulnerability?
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the software does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
CVE-2026-64777 has been classified to as a Directory traversal vulnerability or weakness.
Affected Versions
Apple container:- Before 1.2.0 is affected.