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CVE-2026-16796

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

Published: Jul 23, 2026Updated: Jul 24, 2026 Sources: CVE List NVDCWE-88
7.3HIGH
NVD MITRE
EPSS Score
0.3%
Top 74.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-88

Affected Products

AWS
commercial·US
bedrock-agentcore 1.18.1Mixed
Cloud & SaaS / cloud-platform

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
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References

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

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