CVE-2026-6550 - Key commitment policy bypass via shared key cache in AWS Encryption SDK for Python

Encryption Sdk ยท 2026-10-14

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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

View original AWS announcement โ†’

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