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AWS Security BulletinsCVE-2026-11400

CVE-2026-11400 and CVE-2026-11401

Bulletin ID: 2026-039-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 06/025/2026 12:15 PM PDT Description: Amazon Aurora PostgreSQL a fully managed relational database engine that's compatible with PostgreSQL. We identified CVE-2026-11400(JDBC) and CVE-2026-11401(Go), an issue in AWS Wrappers for Amazon Aurora PostgreSQL will 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 Advanced JDBC Wrapper >=3.0.0 and < 4.0.1 - AWS Advanced Go Wrapper release 2026-04-06 Please refer to the article below for the most up-to-date and complete information related to this AWS Security Bulletin.

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Scope

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Vulnerabilities

CVEs named in this advisory

CVE-2026-11400View CVSS, KEV, EPSS, and threat contextCVE-2026-11401View CVSS, KEV, EPSS, and threat context
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