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Vulnerabilities CVE-2026-78379

CVE-2026-78379

Critical
Open
TLP:CLEAR

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

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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.

Details

CVSS Score
9.2
CVSS 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
Confidence
90%
Published
Aug 25, 2026
Last Modified
Aug 25, 2026
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