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CVE-2026-11400— Privilege Escalation in AWS Advanced JDBC Wrapper for Amazon Aurora PostgreSQL

Quick assessment

Affected
AWS AWS Advanced JDBC Wrapper
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Amazon Web Services JDBC Driver是Amazon Web Services开源的一个Go语言包装器。 Amazon Web Services JDBC Driver存在安全漏洞，该漏洞源于GlobalDatabasePlugin中不可信搜索路径问题，导致远程经过身份验证的低权限攻击者通过特制函数提升权限。

CVSS 8.0 · High EPSS 0.40% · P32

Affected Version Matrix 1

VendorProduct Version RangeStatus
AWS AWS Advanced JDBC Wrapper 3.0.0< 4.0.1 affected
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I. Basic Information for CVE-2026-11400

Vulnerability Information
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Vulnerability Title
Privilege Escalation in AWS Advanced JDBC Wrapper for Amazon Aurora PostgreSQL
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不可信的搜索路径
Source: CVE Program / CVE List V5
Vulnerability Title
Amazon Web Services JDBC Driver 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Amazon Web Services JDBC Driver是Amazon Web Services开源的一个Go语言包装器。 Amazon Web Services JDBC Driver存在安全漏洞，该漏洞源于GlobalDatabasePlugin中不可信搜索路径问题，导致远程经过身份验证的低权限攻击者通过特制函数提升权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
AWS AWS Advanced JDBC Wrapper 3.0.0 ~ 4.0.1 -

II. Public POCs for CVE-2026-11400

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 10069 chars
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
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Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-11400

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Vendor Advisories for CVE-2026-11400 (2)

Vendor Pages for CVE-2026-11400 (1)

IV. Related Vulnerabilities

Same product: AWS Advanced JDBC Wrapper
Same vendor: AWS
Same weakness: CWE-426

V. Comments for CVE-2026-11400

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