CVE-2026-41329

CRITICAL

OpenClaw < 2026.3.31 - Sandbox Bypass via Heartbeat Context Inheritance and senderIsOwner Escalation

Title source: cna

Description

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.

References (3)

[Vendor Advisory] https://github.com/openclaw/openclaw/security/advisories/GHSA-g5cg-8x5w-7jpm

[Patch] https://github.com/openclaw/openclaw/commit/a30214a624946fc5c85c9558a27c1580172374fd

View Patch ZIP pw:eip

[Third Party Advisory] https://www.vulncheck.com/advisories/openclaw-sandbox-bypass-via-heartbeat-context-inheritance-and-senderisowner-escalation

Scores

CVSS v3 9.9

EPSS 0.0004

EPSS Percentile 11.0%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Details

CWE

CWE-648

Status published

Products (3)

npm/openclaw 0 - 2026.3.31npm

OpenClaw/OpenClaw < 2026.3.31

OpenClaw/OpenClaw 2026.3.31

Published Apr 21, 2026

Tracked Since Apr 21, 2026