CVE-2026-2006

What it is

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.

At a glance

Exploitability

Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.

Exploit odds

1.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2026-02-12 14:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-07-15 02:19 UTC Last updatedMost recent change to the record

Details

Published

2026-02-12 14:16 UTC

Last modified

2026-07-15 02:19 UTC

Exploit probability

1.2% · EPSS, next 30 days

Weakness

CWE-129

Record status

Modified

Affected

• PostgreSQL < 14.21
• PostgreSQL < 15.16
• PostgreSQL < 16.12
• PostgreSQL < 17.8
• PostgreSQL < 18.2

Attack profile CVSS 3.1 · 8.8

Attack vector

Network

Complexity

Low

Privileges needed

Low

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High