Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.
VOLERION
Volerion Security Research

NOT DEFERRED DATABASE

VULNERABILITIES

CVE-2026-96883 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: AMZNCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://aws.amazon.com/security/security-bulletins/2026-118-aws/ AMZN
https://github.com/aws/pgcollection/releases/tag/v2.1.2 AMZN
https://github.com/aws/pgcollection/security/advisories/GHSA-g539-cj32-hv6r AMZN

Weakness Enumeration

CWE-IDCWE NameSource
CWE-843Access of Resource Using Incompatible Type ('Type Confusion')AMZN

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-96883
NVD Published Date:
Sep 24, 2026
NVD Last Modified:
Sep 25, 2026
Source:
AMZN
CVE-2026-96883 Details - Not Deferred