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

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CRITICAL

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

Published Apr 20, 2026

9.0

CRITICAL

CVSS 4.0

EPSS 0.52%

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.

Affected products

Vendor OpenClaw Product OpenClaw Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <2026.3.31
- Version
  2026.3.31
  Status
  unaffected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

OpenClaw

unaffected

Version	Status	Constraints
0	affected	<2026.3.31
2026.3.31	unaffected	-

Ecosystem	Package	Introduced	Fixed
npm	openclaw	0	2026.3.31

Remediation

No remediation recorded yet.

Weaknesses (2)

CWE-648

CWE-863

Incorrect Authorization

References (6)

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24017
Advisory
https://github.com/advisories/GHSA-g5cg-8x5w-7jpm
Advisory
https://github.com/openclaw/openclaw/commit/a30214a624946fc5c85c9558a27c1580172374fd
patch
https://github.com/openclaw/openclaw/releases/tag/v2026.3.31
https://github.com/openclaw/openclaw/security/advisories/GHSA-g5cg-8x5w-7jpm
vendor-advisoryVendor Advisory
https://www.vulncheck.com/advisories/openclaw-sandbox-bypass-via-heartbeat-context-inheritance-and-senderisowner-escalation
third-party-advisoryThird Party Advisory

Link	Providers	Tags
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-24017		Advisory
https://github.com/advisories/GHSA-g5cg-8x5w-7jpm		Advisory
https://github.com/openclaw/openclaw/commit/a30214a624946fc5c85c9558a27c1580172374fd		patch
https://github.com/openclaw/openclaw/releases/tag/v2026.3.31
https://github.com/openclaw/openclaw/security/advisories/GHSA-g5cg-8x5w-7jpm		vendor-advisoryVendor Advisory
https://www.vulncheck.com/advisories/openclaw-sandbox-bypass-via-heartbeat-context-inheritance-and-senderisowner-escalation		third-party-advisoryThird Party Advisory