Vulnerability DatabaseCVE-2026-18733
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CVE-2026-18733
Published:August 03, 2026
Updated:August 06, 2026
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 Packages
strands-agents-tools (CONDA):
Affected version(s) >=0.1.5 <0.8.0
Fix Suggestion:
Update to version 0.8.0
strands-agents-tools (PYTHON):
Affected version(s) >=0.0.1 <0.8.0
Fix Suggestion:
Update to version 0.8.0
Related Resources (5)
https://nvd.nist.gov/vuln/detail/CVE-2026-18733
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/18xxx/CVE-2026-18733.json
https://github.com/strands-agents/tools/security/advisories/GHSA-mqvc-p852-wf8x
https://aws.amazon.com/security/security-bulletins/2026-072-aws/
https://pypi.org/project/strands-agents-tools/0.8.0/
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CVSS v4
Base Score:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
ACTIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Improper Neutralization of Input Used for LLM Prompting
CWE-1427
EPSS
Base Score:
0.32