Is CVE-2026-18733 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-18733?

CVE-2026-18733 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-18733

Description

A prompt injection vulnerability in the shell tool in Amazon Strands Agents Tools before 0.8.0 might allow remote actors to execute arbitrary operating system commands on the agent's host via a crafted prompt that sets the non_interactive parameter to true, bypassing the human consent gate. To remediate this issue, users should upgrade to version 0.8.0.