What is CVE-2026-11393?

CVE-2026-11393 is a critical-severity vulnerability in Aws Agentcore Cli, classified under Code Injection. CVSS score: 9.0/10. Published 2026-06-08.

How severe is CVE-2026-11393?

Critical severity. CVSS v3 base score is 9.0 out of 10.

RCE in Aws Agentcore Cli

CVE-2026-11393

Improper neutralization of triple-quote characters during Python code generation in AgentCore CLI before v0.14.2 might allow an authenticated remote threat actor to execute arbitrary code on AWS AgentCore Runtime under the imported agent's…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.003 (26.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

Aws Agentcore Cli — versions 0.4.0, 0.3.0-preview.7.0

Weakness classification (CWE)

CWE-94 — Code Injection

References

ff89ba41-3aa1-4d27-914a-91399e9639e5 (vendor-advisory)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (patch)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (third-party-advisory)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (patch)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (patch)

Frequently asked questions

What is CVE-2026-11393?: CVE-2026-11393 is a critical-severity vulnerability in Aws Agentcore Cli, classified under Code Injection. CVSS score: 9.0/10. Published 2026-06-08.
How severe is CVE-2026-11393?: Critical severity. CVSS v3 base score is 9.0 out of 10.