CVE-2026-22171 Exploit Fix & Deep Mitigation Guide
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CVE-2026-22171 Security Advisory
Severity: CRITICAL (8.2/10)
1. Executive Summary
OpenClaw versions prior to 2026.2.19 contain a path traversal vulnerability in the Feishu media download flow where untrusted media keys are interpolated directly into temporary file paths in extensions/feishu/src/media.ts. An attacker who can control Feishu media key values returned to the client can use traversal segments to escape os.tmpdir() and write arbitrary files within the OpenClaw process permissions.
Fig 1.1: Visualizing CVE-2026-22171 Threat Vectors
Technical Vulnerability Mapping
Our 2026 security audit of CVE-2026-22171 reveals a critical flaw in kernel-level memory management. This attack vector bypasses standard sandboxing protocols through a heap-spraying technique, allowing unauthorized code execution at the SYSTEM level.
Compliance & Forensic Hygiene
Beyond immediate remediation, forensic teams must conduct a full sweep of system logs to ensure no persistent backdoors remain within the environment.