Openclaw cli: OpenClaw: Heartbeat context inheritance bypasses sandbox via senderIsOwner escalation (CVE-2026-41329)
Description
A critical vulnerability in the openclaw-cli package (CVE-2026-41329) allows a sandbox bypass via heartbeat context inheritance using senderIsOwner escalation. Versions from 2026.1.29 up to but not including 2026.3.31 are affected. The issue has been fixed in version 2026.3.31. The vulnerability enables an attacker with limited privileges to escalate permissions and bypass sandbox restrictions.
CVSS v4.0
Affected software
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-41329 is a critical security flaw in the openclaw-cli npm package where heartbeat context inheritance bypasses sandbox protections through senderIsOwner escalation. This allows an attacker with partial privileges to escalate their access rights beyond intended sandbox constraints. The vulnerability affects versions >=2026.1.29 and <2026.3.31. The fix was introduced in version 2026.3.31, as committed on 2026-03-31.
Potential Impact
This vulnerability enables privilege escalation and sandbox bypass, potentially allowing an attacker to execute unauthorized actions or access restricted resources within the openclaw-cli environment. The impact is critical due to the high potential for unauthorized access and control escalation.
Mitigation Recommendations
Users should upgrade openclaw-cli to version 2026.3.31 or later to remediate this vulnerability. The fix is officially available and addresses the sandbox bypass issue. No additional mitigation steps are indicated beyond applying the patch.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- BREW-openclaw-cli-CVE-2026-41329
- Osv Schema Version
- 1.7.3
- Ecosystems
- ["Homebrew"]
- Cvss Version
- 4.0
Threat ID: 6ac245a612601ec6a31661a9
Added to database: 10/04/2026, 12:25:10 UTC
Last enriched: 10/04/2026, 12:51:13 UTC
Last updated: 10/04/2026, 16:08:38 UTC
Views: 1
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