High · published December 16, 2025
⚡ Overly-permissive IAM trust settings could turn a harmless role into a superhero’s cape in your AWS account! 📈 Think of it like a party where the host accidentally gives everyone a key to the VIP room. Once in, they can access everything, including the snacks and secrets! If an attacker with basic permissions gets in, they could elevate their access to administrative levels and wreak havoc—altering resources, accessing sensitive data, or even locking out legitimate users. This could lead to an absolutely devastating loss of control and trust within your environment!
Think of it like a party where the host accidentally gives everyone a key to the VIP room. Once in, they can access everything, including the snacks and secrets! The vulnerability lies in the IAM trust policy of the Harmonix on AWS framework, which mistakenly allows any IAM principal in the same account with sts:AssumeRole permissions to assume a role that grants administrative privileges, bypassing intended access controls.
If an attacker with basic permissions gets in, they could elevate their access to administrative levels and wreak havoc—altering resources, accessing sensitive data, or even locking out legitimate users. This could lead to an absolutely devastating loss of control and trust within your environment! To protect your AWS environment, upgrade to Harmonix on AWS v0.4.2 or later immediately. Review your IAM policies and ensure they adhere to the principle of least privilege, limiting who can assume roles. Take a moment to audit existing roles to ensure they aren't overly permissive! You've got this! With these simple steps, you can secure your AWS environment and maintain your superhero status! 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| amazon/harmonix | ≥ 0.3.0, < 0.4.2 | 0.4.2 |