CVE-2026-32046: OpenClaw < 2026.2.21 - OS-level Sandbox Bypass via --no-sandbox Flag

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-21 · updated 2026-06-17
Weakness: CWE-1188

Description

OpenClaw versions prior to 2026.2.21 contain an improper sandbox configuration vulnerability that allows attackers to execute arbitrary code by exploiting renderer-side vulnerabilities without requiring a sandbox escape. Attackers can leverage the disabled OS-level sandbox protections in the Chromium browser container to achieve code execution on the host system.

Affected products

OpenClaw: before 2026.2.21 — fixed in 2026.2.21

How to fix

Upgrade to a fixed version: OpenClaw 2026.2.21. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/1835dec2004fe7a62c6a7ba46b8485f124ec6199
https://github.com/openclaw/openclaw/commit/e7eba01efc4c3c400e9cfd3ce3d661cbc788a631
https://github.com/openclaw/openclaw/security/advisories/GHSA-43x4-g22p-3hrq
https://www.vulncheck.com/advisories/openclaw-os-level-sandbox-bypass-via-no-sandbox-flag

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