Four OpenClaw flaws let attackers steal data, escalate privileges, and plant backdoors through the agent’s own sandbox
TL;DR
Four chainable OpenClaw flaws dubbed “Claw Chain” let attackers weaponise the agent’s own sandbox. Patches are live.
Cybersecurity researchers at Cyera have disclosed four vulnerabilities in OpenClaw that, when chained together, allow an attacker to steal sensitive data, escalate privileges, and establish persistent control over a compromised host. The flaws, collectively dubbed “Claw Chain,” affect OpenClaw’s OpenShell managed sandbox backend and its MCP loopback runtime. All four have been patched in OpenClaw version 2026.4.22.
The attack chain works in four stages. First, a malicious plugin, prompt injection, or compromised external input gains code execution inside the OpenShell sandbox. Second, two of the vulnerabilities, CVE-2026-44113 and CVE-2026-44115, are exploited to expose credentials, secrets, and sensitive files. Third, CVE-2026-44118 is used to obtain owner-level control of the agent runtime by exploiting an improperly validated ownership flag. Fourth, CVE-2026-44112, the most severe of the four with a CVSS score of...
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