CVE-2026-110310 RSA PKCS#1 v1.5 padding oracle via legacy envelope key format downgrade in Amazon S3 Encryption Client for .NET

A remote user who can read encrypted objects in the S3 bucket can force a padding downgrade by altering the padding scheme recorded in an object's metadata to legacy PKCS1 v1.5. Since this padding scheme is susceptible to the well-known Bleichenbacher attack, the user can use a PKCS1 v1.5 padding...

CVE-2026-110310 RSA PKCS#1 v1.5 padding oracle via legacy envelope key format downgrade in Amazon S3 Encryption Client for .NET

A remote user who can read encrypted objects in the S3 bucket can force a padding downgrade by altering the padding scheme recorded in an object's metadata to legacy PKCS1 v1.5. Since this padding scheme is susceptible to the well-known Bleichenbacher attack, the user can use a PKCS1 v1.5 padding...

CVE-2026-110310

The Amazon S3 Encryption Client for .NET is vulnerable to an RSA PKCS#1 v1.5 padding oracle attack. A remote user capable of reading encrypted objects in an S3 bucket can force a padding downgrade by modifying an object's metadata to use the legacy PKCS#1 v1.5 scheme. This vulnerability allows th...

ROOT-APP-MAVEN-CVE-2025-14763 CVE-2025-14763 in io.root.software.amazon.encryption.s3:amazon-s3-encryption-client-java - Patched by Root

Root has patched CVE-2025-14763 in the io.root.software.amazon.encryption.s3:amazon-s3-encryption-client-java package for Root:Maven. Multiple fixed versions available...

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...

Amazon S3 Encryption Client for Java JAR Detection

Binary data s3encryptionclientjavadetect.nbin...

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...

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-2025-14759

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...

GHSA-X8CP-JF6F-R4XH 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...

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

Summary S3 Encryption Client for Ruby 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 Salamander...

Amazon S3 Encryption Client has a Key Commitment Issue

Summary S3 Encryption Client for Go 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"...

GHSA-3G75-Q268-R9R6 Amazon S3 Encryption Client has a Key Commitment Issue

Summary S3 Encryption Client for Go 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"...

EUVD-2025-203945

Amazon S3 Encryption Client has a Key Commitment Issue...

Amazon S3 Encryption Client for Java has a Key Commitment Issue

Summary S3 Encryption Client for Java 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 Salamander...

EUVD-2025-203944

Amazon S3 Encryption Client for Java has a Key Commitment Issue...

GHSA-X44P-GVRJ-PJ2R Amazon S3 Encryption Client for Java has a Key Commitment Issue

Summary S3 Encryption Client for Java 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 Salamander...

Amazon S3 Encryption Client for .NET has a Key Commitment Issue

Summary S3 Encryption Client for .NET S3EC 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...

Amazon S3 Encryption Client for .NET has a Key Commitment Issue

S3 Encryption Client for .NET S3EC 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"...