CVE-2026-11400
Privilege Escalation in AWS Advanced JDBC Wrapper for Amazon Aurora PostgreSQL
Description
An untrusted search path issue in the GlobalDatabasePlugin in the AWS Advanced JDBC Wrapper for Amazon Aurora PostgreSQL will allow a remote authenticated low-privilege actor to escalate privileges to those of another Amazon RDS user, including rds_superuser, via a crafted function created by the actor that runs when that user connects to the cluster through an affected wrapper. To remediate this issue, users should upgrade to AWS Advanced JDBC Wrapper version 4.0.1.
INFO
Published Date :
June 5, 2026, 8:17 p.m.
Last Modified :
Oct. 26, 2026, 11:10 a.m.
Remotely Exploit :
Yes !
Source :
ff89ba41-3aa1-4d27-914a-91399e9639e5
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | ff89ba41-3aa1-4d27-914a-91399e9639e5 | ||||
| CVSS 4.0 | HIGH | ff89ba41-3aa1-4d27-914a-91399e9639e5 | ||||
| CVSS 4.0 | HIGH | ff89ba41-3aa1-4d27-914a-91399e9639e5 |
Solution
- Upgrade AWS Advanced JDBC Wrapper to 4.0.1.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-11400.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-11400 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-11400
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-11400 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-11400 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Translated by [email protected]
Oct. 26, 2026
Action Type Old Value New Value Added Translation Title: AWS Advanced JDBC Wrapper de AWS, Description: Un problema de ruta de búsqueda no confiable en el GlobalDatabasePlugin del AWS Advanced JDBC Wrapper para Amazon Aurora PostgreSQL permitirá a un actor remoto autenticado con privilegios bajos escalar privilegios a los de otro usuario de Amazon RDS, incluyendo rds_superuser, a través de una función manipulada creada por el actor que se ejecuta cuando ese usuario se conecta al clúster a través de un wrapper afectado. Para remediar este problema, los usuarios deben actualizar a la versión 4.0.1 del AWS Advanced JDBC Wrapper. -
CVE Modified by ff89ba41-3aa1-4d27-914a-91399e9639e5
Oct. 20, 2026
Action Type Old Value New Value Added Reference https://aws.amazon.com/security/security-bulletins/2026-039-aws/ Added Reference https://github.com/aws/aws-advanced-jdbc-wrapper/releases/tag/4.0.1 Added Reference https://github.com/aws/aws-advanced-jdbc-wrapper/security/advisories/GHSA-mhww-p97m-3368 Removed Reference https://aws.amazon.com/security/security-bulletins/2026-039-aws/ Removed Reference https://github.com/aws/aws-advanced-jdbc-wrapper/releases/tag/4.0.1 Removed Reference https://www.cve.org/cverecord?id=CVE-2026-11400 -
CVE Modified by ff89ba41-3aa1-4d27-914a-91399e9639e5
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'AWS', 'product': 'AWS Advanced JDBC Wrapper', 'versions': [{'status': 'affected', 'version': '3.0.0', 'lessThan': '4.0.1', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-11400', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2026-06-09T14:49:19.874523Z'} -
New CVE Received by ff89ba41-3aa1-4d27-914a-91399e9639e5
Jun. 05, 2026
Action Type Old Value New Value Added Description An untrusted search path issue in the GlobalDatabasePlugin in the AWS Advanced JDBC Wrapper for Amazon Aurora PostgreSQL will allow a remote authenticated low-privilege actor to escalate privileges to those of another Amazon RDS user, including rds_superuser, via a crafted function created by the actor that runs when that user connects to the cluster through an affected wrapper. To remediate this issue, users should upgrade to AWS Advanced JDBC Wrapper version 4.0.1. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Added CWE CWE-426 Added Reference https://aws.amazon.com/security/security-bulletins/2026-039-aws/ Added Reference https://github.com/aws/aws-advanced-jdbc-wrapper/releases/tag/4.0.1 Added Reference https://www.cve.org/cverecord?id=CVE-2026-11400