Vulnerability · Published Aug 3, 2026 · Assigned by AMZN

CVE-2026-18733Prompt injection bypasses shell tool consent gate in Strands Agents Tools

High 8.8

In plain English

A high-severity security flaw in strands-agents-tools from AWS. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 52.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
AWS strands-agents-tools 0 – before 0.8.0

Weakness: CWE-1427 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References