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CVE-2026-77179

Docker Sandboxes · Vulnerability

CVSS 4.0 9.4 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-77179

Published

On macOS, the virtio-fs host server used by Docker Sandboxes improperly follows symlinks when reopening an unlinked file from a stored path. A malicious guest can replace a parent directory with a symlink, escape the shared workspace, and read or modify arbitrary host files as the VMM user, potentially achieving host code execution.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-77179

Published

Docker Sandboxes

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "platforms": [
                        "MacOS"
                    ],
                    "product": "Docker Sandboxes",
                    "vendor": "Docker",
                    "cpes": [
                        "cpe:2.3:a:docker:docker_sandboxes:*:*:*:*:*:*:*:*"
                    ],
                    "versions": [
                        {
                            "version": "0.28.0",
                            "status": "affected",
                            "lessThan": "0.42.0",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON