Arbitrary Argument Injection Affecting bedrock-agentcore package, versions [,1.18.1)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-BEDROCKAGENTCORE-18313116
- published26 Jul 2026
- disclosed24 Jul 2026
- creditMrCloudSec
Introduced: 24 Jul 2026
CVE-2026-16796 (opens in a new tab)How to fix?
Upgrade bedrock-agentcore to version 1.18.1 or higher.
Overview
bedrock-agentcore is an An SDK for using Bedrock AgentCore
Affected versions of this package are vulnerable to Arbitrary Argument Injection via the install_packages function. An attacker can execute arbitrary commands within the sandboxed environment by supplying specially crafted package name arguments.