CVE-2026-109569: sandboxed.sh through 1.3.0 Container Escape via nsenter Missing Root Namespace

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-12 · updated 2026-10-16
Weakness: CWE-1188

Description

sandboxed.sh through 1.3.0 contains a container escape vulnerability that allows code in container workspaces to access the host filesystem because nsenter attaches without --root. Agent-run code in a container workspace can resolve absolute paths on the host to read and modify host files, bypassing documented isolation.

Affected products

Th0rgal sandboxed.sh: through 1.3.0

References

https://github.com/Th0rgal/orb
https://github.com/Th0rgal/orb/commit/4ab42e91b16c452f77d93ca69a040a54229b0aa2
https://www.vulncheck.com/advisories/sandboxed-sh-through-1.3.0-container-escape-via-nsenter-missing-root-namespace

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