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Key Caching behavior in the DynamoDB Encryption Client.

GHSA-w736-hf9p-qqh3

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (com.amazonaws:aws-dynamodb-encryption-java 1.15.0), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
not scored
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

Impact This advisory concerns users of MostRecentProvider in the DynamoDB Encryption Client with a key provider like AWS Key Management Service that allows for permissions on keys to be modified. When key usage permissions were changed at the key provider, time-based key reauthorization logic in MostRecentProvider did not reauthorize the use of the key. This created the potential for keys to be used in the DynamoDB Encryption Client after permissions to do so were revoked at the key provider. Patches Fixed as of 1.15.0. We recommend users to modify their code and adopt CachingMostRecentProvider. Workarounds Users who cannot upgrade to use the CachingMostRecentProvider can call clear() on the cache to manually flush all of its contents. Next use of the key will force a re-validation to occur with the key provider.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-w736-hf9p-qqh3

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: GHSA-w736-hf9p-qqh3

Advisory: Key Caching behavior in the DynamoDB Encryption Client.
IDs: GHSA-w736-hf9p-qqh3
Record: https://patchnext.com/advisories/ghsa-w736-hf9p-qqh3 (revision 1, source checked 26 Oct 2026, 15:53 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Unrated
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: com.amazonaws:aws-dynamodb-encryption-java 1.15.0. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven com.amazonaws:aws-dynamodb-encryption-java: affected < 1.15.0; fixed in 1.15.0

## Suggested inspection (read-only)
- Maven com.amazonaws:aws-dynamodb-encryption-java: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on com.amazonaws:aws-dynamodb-encryption-java.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-w736-hf9p-qqh3 (GitHub-reviewed advisory GHSA-w736-hf9p-qqh3 lists affected ranges: Maven com.amazonaws:aws-dynamodb-encryption-java >=0 <1.15.0)

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