Paper/Archive/CVE-2026-41329

CVE-2026-41329

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

EPSS 0.3%CVSS 9.9

critical.is priorityof 100

CVSS 9.9 (CNA)9.9 / 10 × 3029.7 Not in CISA KEV+300.0 EPSS percentile 22.5.225 × 204.5 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

OpenClaw< 2026.3.312026.3.31CNA

Scores by source

VulnCheck (CNA)9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

VulnCheck (CNA)9.0CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

advisorygithub.com/openclaw/openclaw/security/advisories/GHSA-g5cg-8x5w-7jpm patchgithub.com/openclaw/openclaw/commit/a30214a624946fc5c85c9558a27c1580172374fd writeupvulncheck.com/advisories/openclaw-sandbox-bypass-via-heartbeat-context-inheritance-and-senderisowner-escalation