CVE-2026-2006

HIGH

8.8

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.

CVE Details

CVSS v3.1 Score8.8

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published2/12/2026

Last Modified2/20/2026

Sourcenvd

Honeypot Sightings0

Affected Products

postgresql:postgresql

Weaknesses (CWE)

CWE-129

References

https://www.postgresql.org/support/security/CVE-2026-2006/(f86ef6dc-4d3a-42ad-8f28-e6d5547a5007)

IOC Correlations

No correlations recorded

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