CVE-2026-11401

Description

Aurora PostgreSQL is a fully managed relational database engine that's compatible with PostgreSQL. An issue in Aurora PostgreSQL using the AWS Go Wrapper waa identified, see CVE-2026-11401. Impact An issue in AWS Wrappers for Amazon Aurora PostgreSQL may allow for privilege escalation to rds_superuser 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. Impacted versions: AWS Go Wrapper 2026-04-06 Patches This issue has been addressed in AWS Go Wrapper 2026-05-26. Maintainers recommend upgrading to the latest version and ensuring any forked or derivative code is patched to incorporate the new fixes. Workarounds Remove the public schema from the search path. References If there are any questions or comments about this advisory, contact [AWS/Amazon] Security via the [vulnerability reporting page](https://aws.amazon.com/security/vulnerability-reporting) or directly via email to [[email protected]](mailto:[email protected]). Please do not create a public GitHub issue.

How to fix CVE-2026-11401

To remediate CVE-2026-11401, upgrade the affected package to a fixed version below.

—upgrade to 1.1.1 or later
—upgrade to 1.1.2 or later
—upgrade to 2.0.1 or later
—upgrade to 1.0.4 or later
—upgrade to 1.1.1 or later
—upgrade to 1.1.1 or later
—upgrade to 1.1.1 or later
—upgrade to 1.1.1 or later
—upgrade to 1.0.7 or later
—upgrade to 1.1.1 or later
—upgrade to 1.07 or later

Is CVE-2026-11401 being exploited?

No exploitation signal available. Neither CISA KEV nor a current EPSS score has been published for CVE-2026-11401.

Affected packages (11)

from 0, < 1.1.1
from 0, < 1.1.2
from 0, < 2.0.1
from 0, < 1.0.4
from 0, < 1.1.1
from 0, < 1.1.1
from 0, < 1.1.1
from 0, < 1.1.1
from 0, < 1.0.7

CVSS scores

Source	Version	Severity	Vector
osv	CVSS 4.0	—	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
osv	CVSS 3.1	HIGH8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H