{"id":"CVE-2026-16796","aliases":["GHSA-j6g5-3hh3-pgw8","PYSEC-2026-3551"],"url":"https://o3.security/vulnerability/CVE-2026-16796","summary":"Improper neutralization of argument delimiters in AWS Bedrock AgentCore Python SDK install_packages()","details":"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.\n\n\n\nTo mitigate this issue, users should upgrade to the patched version 1.18.1.","published":"2026-07-23T20:06:32.908Z","modified":"2026-08-12T03:51:45.216657391Z","cvss":null,"epss":{"score":0.00627,"percentile":0.47835,"asOf":"2026-09-06"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"bedrock-agentcore","fixedVersion":"1.18.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://aws.amazon.com/security/security-bulletins/2026-065-aws/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/16xxx/CVE-2026-16796.json"},{"type":"ADVISORY","url":"https://github.com/aws/bedrock-agentcore-sdk-python/security/advisories/GHSA-j6g5-3hh3-pgw8"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16796"},{"type":"FIX","url":"https://pypi.org/project/bedrock-agentcore/1.18.1/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:45.216657391Z"}}