EUVD-2026-23943

AWS Encryption SDK for Python: Key commitment policy bypass via shared key cache...

AWS Encryption SDK for Python: Key commitment policy bypass via shared key cache

Summary AWS Encryption SDK ESDK for Python is a client-side encryption library. An issue exists where, under certain circumstances, a specific cryptographic algorithm downgrade in the caching layer might allow an authenticated local threat actor to bypass key commitment policy enforcement via a...

GHSA-V638-38FC-RHFV AWS Encryption SDK for Python: Key commitment policy bypass via shared key cache

Summary AWS Encryption SDK ESDK for Python is a client-side encryption library. An issue exists where, under certain circumstances, a specific cryptographic algorithm downgrade in the caching layer might allow an authenticated local threat actor to bypass key commitment policy enforcement via a...

CVE-2026-6550

The vulnerability CVE-2026-6550 affects the AWS Encryption SDK for Python in its caching layer. A cryptographic downgrade in the key cache could allow an authenticated local actor to bypass key commitment policy enforcement, enabling ciphertext to be decrypted into multiple possible plaintexts. A...

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

Cryptographic 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...

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

Cryptographic 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...

Missing Cryptographic Key Commitment

aws-sdk-s3 is vulnerable to Missing Cryptographic Key Commitment. The vulnerability is due to improper validation of encrypted data keys when stored in instruction files instead of S3 metadata, which allows an attacker with write access to the S3 bucket to introduce a malicious EDK that decrypts ...

Missing Cryptographic Key Commitment

aws/aws-sdk-php is vulnerable to missing cryptographic key commitment. The vulnerability is due to improper handling of encrypted data keys when stored in instruction files instead of S3 metadata, which allows an attacker with write access to the S3 bucket to introduce a malicious EDK that decryp...

Missing Cryptographic Key Commitment

github.com/aws/amazon-s3-encryption-client-go is vulnerable to missing cryptographic key commitment. The vulnerability is due to improper validation of encrypted data keys when stored in instruction files instead of metadata, which allows an attacker with write access to the S3 bucket to introduc...

Missing Cryptographic Key Commitment

software.amazon.encryption.s3, amazon-s3-encryption-client-java is vulnerable to missing cryptographic key commitment. The vulnerability is due to improper validation of encrypted data keys when stored in instruction files instead of metadata, which allows an attacker with write access to the S3...

Missing Cryptographic Key Commitment

Amazon.Extensions.S3.Encryption is vulnerable to Missing Cryptographic Key Commitment. The vulnerability is due to lack of cryptographic key commitment when storing encrypted data keys in instruction files instead of S3 metadata, which allows an attacker with write access to the bucket to introdu...

Security Bulletin: IBM Watson Discovery Cartridge affected by vulnerability in aws-sdk-s3-1.199.0.gem

Summary IBM Watson Discovery Cartridge affected by vulnerability in aws-sdk-s3-1.199.0.gem Vulnerability Details CVEID:CVE-2025-14762 DESCRIPTION: Missing cryptographic key commitment in the AWS SDK for Ruby may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts ...

Amazon S3 Encryption Client for Java < 4.0.0 Key Commitment (AWS-2025-032)

The version of Amazon S3 Encryption Client for Java on the remote host is 4.0.0. It is, therefore, affected by a key commitment vulnerability as referenced in the AWS-2025-032 advisory. Missing cryptographic key commitment in the Amazon S3 Encryption Client for Java may allow a user with write...

SUSE CVE-2025-14764

Missing cryptographic key commitment in the Amazon S3 Encryption Client for Go may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when the encrypted data key is stored in an "instruction file" instead of S3's metadata record. To mitigat...

GO-2025-4250 Amazon S3 Encryption Client has a Key Commitment Issue in github.com/aws/amazon-s3-encryption-client-go

Amazon S3 Encryption Client has a Key Commitment Issue in github.com/aws/amazon-s3-encryption-client-go...

CVE-2025-14764

Missing cryptographic key commitment in the Amazon S3 Encryption Client for Go may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when the encrypted data key is stored in an "instruction file" instead of S3's metadata record. To mitigat...

CVE-2025-14761

Missing cryptographic key commitment in the AWS SDK for PHP may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when the encrypted data key is stored in an "instruction file" instead of S3's metadata record. To mitigate this issue, upgra...

CVE-2025-14759

Missing cryptographic key commitment in the Amazon S3 Encryption Client for .NET may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when the encrypted data key is stored in an "instruction file" instead of S3's metadata record. To...

CVE-2025-14760

Missing cryptographic key commitment in the AWS SDK for C++ may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when the encrypted data key is stored in an "instruction file" instead of S3's metadata record. To mitigate this issue, upgra...

AWS SDK for PHP's S3 Encryption Client has a Key Commitment Issue

Summary S3 Encryption Client for PHP is an open-source client-side encryption library used to facilitate writing and reading encrypted records to S3. When the encrypted data key EDK is stored in an "Instruction File" instead of S3's metadata record, the EDK is exposed to an "Invisible Salamanders...