CVE-2026-2006 - Vulnerability Details - OpenCVE

Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

No data.

References

Link	Providers
https://www.postgresql.org/support/security/CVE-2026-2006/

History

Thu, 12 Feb 2026 15:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Thu, 12 Feb 2026 13:30:00 +0000

Type	Values Removed	Values Added
Description		Missing validation of multibyte character length in PostgreSQL text manipulation allows a database user to issue crafted queries that achieve a buffer overrun. That suffices to execute arbitrary code as the operating system user running the database. Versions before PostgreSQL 18.2, 17.8, 16.12, 15.16, and 14.21 are affected.
Title		PostgreSQL missing validation of multibyte character length executes arbitrary code
Weaknesses		CWE-129
References		https://www.postgresql.org/support/security/CVE-2026-2006/
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'}`

MITRE

Status: PUBLISHED

Assigner: PostgreSQL

Published: 2026-02-12T13:00:10.490Z

Updated: 2026-02-12T14:19:26.142Z

Reserved: 2026-02-05T18:17:56.273Z

Link: CVE-2026-2006

Vulnrichment

Updated: 2026-02-12T14:19:18.253Z

NVD

Status : Awaiting Analysis

Published: 2026-02-12T14:16:02.470

Modified: 2026-02-12T15:10:37.307

Link: CVE-2026-2006

Redhat

No data.

OpenCVE Enrichment

No data.

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