CVE-2026-16796CWE-88

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

High · published July 23, 2026

CVSS v4.0
8.4
EPSS
1%
Percentile
53.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.4 · HIGH
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
EPSS
0.00725 · 53.6th percentile
Weakness
CWE-88 · Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')
Published
2026-07-23T20:06Z
EPSS history
Timeline
  • 23 JUL 20:06Z
    Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()
    cvelistv5