CVE-2026-6550 - Key commitment policy bypass via shared key cache in AWS Encryption SDK for Python
Encryption Sdk ยท 2026-10-14
Actions
Technical Details
| Affected Versions | 2.0 to 2.5.1, 3.0 to 3.3.0, 4.0 to 4.0.4 |
|---|---|
| Regions | all |
| CVE IDs | CVE-2026-6550 |
| Migration Required | Yes |
| Cost Impact | Neutral |
| IaC Impact | High |
What This Means
For DevOps Teams
Update AWS Encryption SDK for Python to versions 3.3.1 and 4.0.5 to address the key commitment policy bypass vulnerability (CVE-2026-6550) and ensure secure data encryption.
For Platform Teams
Deploy the updated AWS Encryption SDK for Python versions 3.3.1 and 4.0.5 to mitigate security risks and maintain data integrity across the platform.
For Executives
Implement the latest AWS Encryption SDK for Python versions 3.3.1 and 4.0.5 to mitigate the key commitment policy bypass vulnerability (CVE-2026-6550) and ensure data security.
Source
Related Encryption Sdk Updates
- CVE-2026-6550 - Key commitment policy bypass via shared key cache in AWS Encryption SDK for Python (2026-09-29)
- Introducing SDK Client Warm-Up feature in the AWS SDK for Java 2.x (2026-09-25)
- CVE-2026-6550 - Key commitment policy bypass via shared key cache in AWS Encryption SDK for Python (2026-09-25)
- CVE-2026-6550 - Key commitment policy bypass via shared key cache in AWS Encryption SDK for Python (2026-09-24)
- CVE-2026-89090 - Denial of service in the event stream header decoder in AWS SDK for Go v2 (2026-09-11)