CVE-2026-96883

Type confusion in AWS pgcollection allows remote code execution

Published Sep 24, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Type confusion in AWS pgcollection allows remote code execution
First Time appeared Aws
Aws pgcollection
Weaknesses CWE-843
CPEs cpe:2.3:a:aws:pgcollection:*:*:*:*:*:*:*:*
Vendors & Products Aws
Aws pgcollection
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
AMZN
Published
Updated
Sep 24, 2026, 7:26 PM
Reserved
Sep 23, 2026, 6:18 PM
Status
Awaiting Analysis
Published
Sep 24, 2026, 8:17 PM
Modified
Sep 25, 2026, 1:16 PM