CVE-2026-64777 — MEDIUM (4.3)

Vulnerability 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.

CVSS Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Related Weaknesses (CWE)

CWE-22

References

https://github.com/apple/container/security/advisories/GHSA-2v2q-4q35-h585

FAQ

What is CVE-2026-64777?

CVE-2026-64777 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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. Thi...

How severe is CVE-2026-64777?

CVE-2026-64777 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-64777?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.