CVE-2026-2006
HIGHPostgreSQL <18.2-14.21 - RCE
Title source: llmDescription
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.
Scores
CVSS v3
8.8
EPSS
0.0008
EPSS Percentile
22.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Classification
CWE
CWE-129
Status
published
Affected Products (1)
postgresql/postgresql
< 14.21
Timeline
Published
Feb 12, 2026
Tracked Since
Feb 18, 2026