Vulnerability-Lookup

CVE-2026-16796 (GCVE-0-2026-16796)

Vulnerability from cvelistv5 – Published: 2026-07-23 20:06 – Updated: 2026-07-23 20:26

Title

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

Summary

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.

Severity

7.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

8.4 (High)


                        
                          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

CWE

CWE-88 - Improper neutralization of argument delimiters in a command ('argument injection')

Assigner

AMZN

References

3 references

URL	Tags
https://pypi.org/project/bedrock-agentcore/1.18.1/	release-notespatch
https://aws.amazon.com/security/security-bulletin…	vendor-advisory
https://github.com/aws/bedrock-agentcore-sdk-pyth…	release-notes

Impacted products

1 product

Vendor	Product	Version
AWS	bedrock-agentcore 1.18.1	Affected: 0 , < 1.18.1 (custom)

Credits

BeyondTrust Phantom Labs

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.

Action not permitted

CVE-2026-16796 (GCVE-0-2026-16796)

Tags

Sightings

Nomenclature