CVE-2026-42434

EUVD-2026-27251
OpenClaw versions 2026.4.5 before 2026.4.10 contain a sandbox escape vulnerability allowing sandboxed agents to override exec routing by specifying host=node. Attackers can bypass sandbox boundaries and route execution to remote nodes instead of intended sandbox paths.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
8.8 HIGH
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 15%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
openclawopenclaw
2026.4.5 ≤
𝑥
< 2026.4.10
CNA
Common Weakness Enumeration
Vulnerability Media Exposure
References
https://github.com/openclaw/openclaw/commit/dffad08529202edbf34e4808788e1182fe10f6a9
https://github.com/openclaw/openclaw/security/advisories/GHSA-736r-jwj6-4w23
https://www.vulncheck.com/advisories/openclaw-sandbox-escape-via-host-parameter-override-in-exec-routing