CVE-2026-41329 CRITICAL

CVE-2026-41329: OpenClaw < 2026.3.31 - Sandbox Bypass via Heartbeat Context Inheritance and senderIsOwner Escalation

Vendor Openclaw
Product OpenClaw
Weakness CWE-648
Published April 20, 2026
Last update April 21, 2026
View on NVD All CVEs

CVSS base score

9.0/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

What the vulnerability does

01Description

OpenClaw before 2026.3.31 contains a sandbox bypass vulnerability allowing attackers to escalate privileges via heartbeat context inheritance and senderIsOwner parameter manipulation. Attackers can exploit improper context validation to bypass sandbox restrictions and achieve unauthorized privilege escalation.

Key dates

02Disclosure timeline

April 20, 2026 CVE published
April 21, 2026 Record updated