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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00327.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
AWS bedrock-agentcore 1.18.1 unaffected
Version Status Constraints
0 affected < 1.18.1

No data.

No data.

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Project Subscriptions

Vendors Products
Aws Subscribe
Bedrock-agentcore 1.18.1 Subscribe
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()
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://aws.amazon.com/security/security-bulletins/2026-065-aws/ cve-icon
https://github.com/aws/bedrock-agentcore-sdk-python/security/advisories/GHSA-j6g5-3hh3-pgw8 cve-icon
https://pypi.org/project/bedrock-agentcore/1.18.1/ cve-icon
History

Fri, 24 Jul 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

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

Thu, 23 Jul 2026 21:45:00 +0000

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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2026-07-24T13:34:19.993Z

Reserved: 2026-07-23T18:37:41.297Z

Link: CVE-2026-16796

cve-icon Vulnrichment

Updated: 2026-07-24T13:34:16.878Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-07-26T04:15:02Z

Weaknesses