Sandbox Escape Vulnerability in OpenClaw by OpenClaw
CVE-2026-42434

8.7HIGH

Key Information:

Vendor

Openclaw

Status
Openclaw
Vendor
CVE Published:
5 May 2026

What is CVE-2026-42434?

OpenClaw versions 2026.4.5 through 2026.4.10 are vulnerable to a sandbox escape issue. This flaw allows attackers to manipulate sandboxed agents, facilitating the overriding of exec routing by manipulating the host parameter to point to remote nodes. Such manipulation enables malicious users to bypass the intended sandbox boundaries, leading to potential unauthorized access and execution capabilities outside the safe environment.

Affected Version(s)

OpenClaw 2026.4.5 < 2026.4.10

OpenClaw 2026.4.10

References

https://github.com/openclaw/openclaw/security/advisories/...
vendor-advisory
https://github.com/openclaw/openclaw/commit/dffad08529202...
patch
https://www.vulncheck.com/advisories/openclaw-sandbox-esc...
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

zsx (@zsxsoft)
KeenSecurityLab
qclawer
.