AWS pgcollection 2.0-2.1.1 TypeConfusion Exec Code as postgres OS User
CVE-2026-96883 Published on September 24, 2026

Type confusion in AWS pgcollection allows remote code execution
pgcollection is an open source extension to PostgreSQL. A type confusion issue in AWS pgcollection 2.0.0 through 2.1.1 might allow an authenticated remote user to execute arbitrary code as the postgres operating system user via crafted SQL statements that rely on mismatched type metadata in collection value retrieval and array conversion functions. To remediate this issue, users should upgrade to version 2.1.2 or later.

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-96883 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH

Weakness Type

What is an Object Type Confusion Vulnerability?

The program allocates or initializes a resource such as a pointer, object, or variable using one type, but it later accesses that resource using a type that is incompatible with the original type.

CVE-2026-96883 has been classified to as an Object Type Confusion vulnerability or weakness.


Products Associated with CVE-2026-96883

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Aws Pgcollection
 

Affected Versions

AWS pgcollection: