CVE-2026-16796

Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()

Published Jul 23, 2026 CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Description
Improper neutralization of argument delimiters in the install_packages() method in AWS Bedrock AgentCore Python SDK before 1.18.1 might allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox via crafted package name arguments.



To mitigate this issue, users should upgrade to the patched version 1.18.1.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-j6g5-3hh3-pgw8 AWS Bedrock AgentCore: Improper neutralization of argument delimiters in the Python SDK install_packages()
History
Type Values Removed Values Added
First Time appeared Aws bedrock-agentcore
Vendors & Products Aws bedrock-agentcore
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 argument delimiters in the install_packages() method in AWS Bedrock AgentCore Python SDK before 1.18.1 might allow a remote authenticated user to execute arbitrary commands within the Code Interpreter sandbox via crafted package name arguments. To mitigate this issue, users should upgrade to the patched version 1.18.1.
Title Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()
First Time appeared Aws
Aws bedrock-agentcore 1.18.1
Weaknesses CWE-88
CPEs cpe:2.3:a:aws:bedrock-agentcore_1.18.1:*:*:*:*:*:*:*:*
Vendors & Products Aws
Aws bedrock-agentcore 1.18.1
References
Metrics cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 8.4, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMZN
Published
Updated
Jul 24, 2026, 1:34 PM
Reserved
Jul 23, 2026, 6:37 PM
Status
Awaiting Analysis
Published
Jul 23, 2026, 9:17 PM
Modified
Oct 24, 2026, 1:10 PM