CVE-2026-78379

Consent bypass in python_repl tool via batch kwargs forwarding in Amazon Strands Agents Tools

Published Aug 25, 2026 CVSS 4.0 · 9.2 Critical EPSS < 1% KEV · Not listed
Description
Improper neutralization of input used for LLM prompting in the python_repl tool in Amazon Strands Agents Tools before 0.8.5 might allow remote actors to execute arbitrary Python code on the agent's host by bypassing the human consent gate, via a crafted prompt that forwards non_interactive_mode as a keyword argument through the batch tool. To remediate this issue, users should upgrade to version 0.8.5 or later.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

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
Description Improper neutralization of input used for LLM prompting in the python_repl tool in Amazon Strands Agents Tools before 0.8.5 might allow remote actors to execute arbitrary Python code on the agent's host by bypassing the human consent gate, via a crafted prompt that forwards non_interactive_mode as a keyword argument through the batch tool. To remediate this issue, users should upgrade to version 0.8.5 or later.
Title Consent bypass in python_repl tool via batch kwargs forwarding in Amazon Strands Agents Tools
First Time appeared Amazon
Amazon strands-agents-tools
Weaknesses CWE-1427
CPEs cpe:2.3:a:amazon:strands-agents-tools:*:*:*:*:*:*:*:*
Vendors & Products Amazon
Amazon strands-agents-tools
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMZN
Published
Updated
Aug 25, 2026, 7:20 PM
Reserved
Aug 24, 2026, 1:19 PM
Status
Awaiting Analysis
Published
Aug 25, 2026, 7:16 PM
Modified
Aug 26, 2026, 4:45 PM