AWS Vulnerabilities and Affected Products
Vulnerabilities associated with AWS Encryption SDK for Python.
Products
Clear product- FreeRTOS-Plus-TCP7 vulnerabilities
- tough7 vulnerabilities
- Kiro IDE5 vulnerabilities
- AWS-LC4 vulnerabilities
- Research and Engineering Studio (RES)4 vulnerabilities
- AWS Ops Wheel3 vulnerabilities
- aws-cdk3 vulnerabilities
- Opensearch3 vulnerabilities
- tuftool3 vulnerabilities
- AWS Advanced JDBC Wrapper2 vulnerabilities
- AWS Serverless Application Model Command Line Interface2 vulnerabilities
- AWS-LC-FIPS2 vulnerabilities
- aws-sdk-cpp2 vulnerabilities
- bedrock-agentcore2 vulnerabilities
- Client VPN2 vulnerabilities
- Firecracker2 vulnerabilities
- SageMaker Python SDK2 vulnerabilities
- sagemaker-python-sdk2 vulnerabilities
- strands-agents-tools2 vulnerabilities
- AgentCore CLI1 vulnerability
- Amazon Bedrock AgentCore harness1 vulnerability
- Amazon Braket Python SDK1 vulnerability
- Amazon CloudFront1 vulnerability
- Amazon ECS Agent1 vulnerability
- Amazon Redshift connector for Python1 vulnerability
| Vulnerability | Title and context | CVSS | EPSS | PoCs | Signals | STIX action |
|---|---|---|---|---|---|---|
CVE-2026-6550MEDIUM | Key commitment policy bypass via shared key cache in AWS Encryption SDK for PythonCryptographic algorithm downgrade in the caching layer of Amazon AWS Encryption SDK for Python before version 3.3.1 and before version 4.0.5 might allow an authenticated local threat actor to bypass key commitment policy enforcement via a shared key cache, resulting in ciphertext that can be decrypted to multiple different plaintexts. To remediate this issue, users should upgrade to version 3.3.1, 4.0.5 or above. CWE-757Apr 20, 2026 | CVSS5.7v4.0 | EPSS0.096% | PoCs0 | SignalsNot listed in CISA KEVNo known ransomware useNo Nuclei templates | STIX |