CVE-2026-20613
Medium · 4.4Container and Containerization archive extraction does not guard against escapes from extraction base directory.
CVSS
4.4
EPSS
0.3%
Published
Jan 22, 2026
CISA due date
—
The record
The `ArchiveReader.extractContents()` function used by `cctl image load` and container image load performs no pathname validation before extracting an archive member. This means that a carelessly or maliciously constructed archive can extract a file into any user-writable location on the system using relative pathnames.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
|---|---|---|---|
| SwiftURL | github.com/apple/container | 0 | 0.8.0 |
| SwiftURL | github.com/apple/containerization | 0 | 0.21.0 |
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