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High, CVSS 8.0

Amazon Web Services Advanced JDBC Wrapper: Privilege Escalation in Aurora PostgreSQL instance

GHSA-7xw4-g7mm-r4hh

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (software.amazon.jdbc:aws-advanced-jdbc-wrapper 2.6.5), 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
8.0 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

Description of Vulnerability: An issue in AWS Wrappers for Amazon Aurora PostgreSQL may allow for privilege escalation to rdssuperuser role. A low privilege authenticated user can create a crafted function that could be executed with permissions of other Amazon Relational Database Service (RDS) users. AWS recommends for customers to upgrade to the following versions: AWS JDBC Wrapper to v2.6.5 or greater. Source of Vulnerability Report: Allistair Ishmael Hakim allistair.hakim@gmail.com Affected products & versions: AWS JDBC Wrapper < 2.6.5 Platforms: MacOS/Windows/Linux

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

    Published from ghsa record GHSA-7xw4-g7mm-r4hh

Agent brief

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# Patch Next advisory brief: GHSA-7xw4-g7mm-r4hh

Advisory: Amazon Web Services Advanced JDBC Wrapper: Privilege Escalation in Aurora PostgreSQL instance
IDs: GHSA-7xw4-g7mm-r4hh
Record: https://patchnext.com/advisories/ghsa-7xw4-g7mm-r4hh (revision 1, source checked 26 Oct 2026, 16:41 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: High (CVSS 8.0)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: software.amazon.jdbc:aws-advanced-jdbc-wrapper 2.6.5. A vendor fix does not mean a deployment is fixed.

## Affected components
- Maven software.amazon.jdbc:aws-advanced-jdbc-wrapper: affected <= 2.6.4; fixed in 2.6.5

## Suggested inspection (read-only)
- Maven software.amazon.jdbc:aws-advanced-jdbc-wrapper: 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 software.amazon.jdbc:aws-advanced-jdbc-wrapper.
- 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-7xw4-g7mm-r4hh (GitHub-reviewed advisory GHSA-7xw4-g7mm-r4hh lists affected ranges: Maven software.amazon.jdbc:aws-advanced-jdbc-wrapper >=0 <=2.6.4)

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