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CVE-2026-18733: A prompt injection vulnerability in the shell tool in Amazon Strands Agents Tools before 0.8.0 might…

Occurred
Aug 3, 2026
Published
Aug 3, 2026
Source
NVD CVE

Summary

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.

Tags

  • CVE
  • CVE-2026-18733
  • cvss:HIGH
  • agent-fail:injection-direct
  • agent-fail:supervision
  • agent-cause:missing-guardrail

Classification

Category confidence: 95%
Severity confidence: 90%

Rationale: Prompt injection vulnerability allows remote actors to bypass consent gates and execute arbitrary OS commands on agent host.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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