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.
Published: 2026-04-20
Score: 9 Critical
EPSS: < 1% Very Low
KEV: No
Impact: Privilege Escalation
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-g5cg-8x5w-7jpm OpenClaw: Heartbeat context inheritance bypasses sandbox via senderIsOwner escalation
History

Wed, 22 Apr 2026 00:00:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 20 Apr 2026 23:30:00 +0000

Type Values Removed Values Added
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.
Title OpenClaw < 2026.3.31 - Sandbox Bypass via Heartbeat Context Inheritance and senderIsOwner Escalation
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-648
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H'}

cvssV4_0

{'score': 9, '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'}


Subscriptions

Openclaw Openclaw
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-04-21T19:38:16.140Z

Reserved: 2026-04-20T14:03:06.199Z

Link: CVE-2026-41329

cve-icon Vulnrichment

Updated: 2026-04-21T19:38:13.549Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-21T00:16:31.390

Modified: 2026-04-27T15:09:01.857

Link: CVE-2026-41329

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-22T06:00:09Z

Weaknesses