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OpenAdvisories
Medium · 6.5 CVE-2026-35636 EUVD-2026-21128GHSA-55rv-68q5-wxmqGHSA-q2qc-744p-66r2

OpenClaw 2026.3.11 < 2026.3.25 - Session Isolation Bypass via sessionId Resolution

Published Apr 9, 2026 · Updated Jun 23, 2026 · Assigned by VulnCheck

Description

OpenClaw versions 2026.3.11 through 2026.3.24 contain a session isolation bypass vulnerability where session_status resolves sessionId to canonical session keys before enforcing visibility checks. Sandboxed child sessions can exploit this to access parent or sibling sessions that should be blocked by explicit sessionKey restrictions.

Affected products

VendorProductAffectedFixed
OpenClaw OpenClaw 2026.3.11 – < 2026.3.25 2026.3.25

Affected packages

EcosystemPackageAffectedFixedRecord
npm openclaw >= 2026.3.11, < 2026.3.28 2026.3.28 GHSA-q2qc-744p-66r2

References