AWS Strands Agents Tools up to 0.7.x Shell Tool non_interactive injection

Summaryinfo

A vulnerability identified as critical has been detected in AWS Strands Agents Tools up to 0.7.x. The impacted element is an unknown function of the component Shell Tool. The manipulation of the argument non_interactive leads to injection. This vulnerability is uniquely identified as CVE-2026-18733. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in AWS Strands Agents Tools up to 0.7.x. It has been rated as critical. This issue affects some unknown functionality of the component Shell Tool. The manipulation of the argument non_interactive with an unknown input leads to a injection vulnerability. Using CWE to declare the problem leads to CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at pypi.org. The identification of this vulnerability is CVE-2026-18733 since 08/03/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1055 according to MITRE ATT&CK.

Upgrading to version 0.8.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-52432). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• AWS

Name

• Strands Agents Tools

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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