CVE-2026-42434

HIGH

OpenClaw 2026.4.5 < 2026.4.10 - Sandbox Escape via host Parameter Override in Exec Routing

Title source: cna
STIX 2.1

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.

References (3)

Core 3
Core References
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-736r-jwj6-4w23)
https://github.com/openclaw/openclaw/security/advisories/GHSA-736r-jwj6-4w23
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw 2026.4.5 < 2026.4.10 - Sandbox Escape via host Parameter Override in Exec Routing
https://www.vulncheck.com/advisories/openclaw-sandbox-escape-via-host-parameter-override-in-exec-routing

Scores

CVSS v3 8.8
EPSS 0.0005
EPSS Percentile 15.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-863
Status published
Products (3)
npm/openclaw 2026.4.5 - 2026.4.10npm
OpenClaw/OpenClaw 2026.4.10
OpenClaw/OpenClaw 2026.4.5 - 2026.4.10
Published May 05, 2026
Tracked Since May 05, 2026