CVE-2026-109569 sandboxed.sh - Container Escape

sandboxed.sh <= 1.3.0 contains a container escape vulnerability caused by nsenter attaching without --root, letting agent-run code in container workspaces read and modify host filesystem, exploit requires agent code execution in container.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.13% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Container Escape
Impact
File System Read, File System Write
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-1188

Vendor fix

Update to the latest version that fixes nsenter usage with --root.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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