CVE-2026-18733

Prompt injection bypasses shell tool consent gate in Strands Agents Tools

Published Aug 3, 2026 CVSS 4.0 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Aws strands Agents Tools
Vendors & Products Aws strands Agents Tools
Type Values Removed Values Added
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.
Title Prompt injection bypasses shell tool consent gate in Strands Agents Tools
First Time appeared Aws
Aws strands-agents-tools
Weaknesses CWE-1427
CPEs cpe:2.3:a:aws:strands-agents-tools:*:*:*:*:*:*:*:*
Vendors & Products Aws
Aws strands-agents-tools
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 7.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMZN
Published
Updated
Aug 4, 2026, 7:31 PM
Reserved
Aug 3, 2026, 6:48 PM
Status
Awaiting Analysis
Published
Aug 3, 2026, 9:16 PM
Modified
Oct 23, 2026, 9:10 PM