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

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0073, the 54th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 14:40 UTC First seen by agentprime
2. 31 Oct 2026, 14:40 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-j6g5-3hh3-pgw8
• OSV: GHSA-j6g5-3hh3-pgw8
• github.com/aws/bedrock-agentcore-sdk-python/security/advisories/GHSA-j6g5-3hh3-pgw8
• nvd.nist.gov/vuln/detail/CVE-2026-16796
• github.com/aws/bedrock-agentcore-sdk-python/pull/581
• github.com/aws/bedrock-agentcore-sdk-python/commit/3c4b4ee6b8730e6313a82c743ac37dbcc1c21cdb
• aws.amazon.com/security/security-bulletins/2026-065-aws
• github.com/aws/bedrock-agentcore-sdk-python
• pypi.org/project/bedrock-agentcore/1.18.1

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.