CVE-2026-42434HIGH 8.8EPSS p26.4%

CVE-2026-42434CVE-2026-42434

Description

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.35% probability of exploitation · percentile 26.4% · 2026-06-19T12:03:05Z
Published2026-05-05
Last modified2026-05-05

Underlying weaknesses· 1

CWE-863

References

  1. https://github.com/openclaw/openclaw/commit/dffad08529202edbf34e4808788e1182fe10f6a9
  2. https://github.com/openclaw/openclaw/security/advisories/GHSA-736r-jwj6-4w23
  3. https://www.vulncheck.com/advisories/openclaw-sandbox-escape-via-host-parameter-override-in-exec-routing

1

TypeTargetConfidenceTier
WeaknessIncorrect Authorizationcwe-8630%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.