CVE-2026-3172

Published February 25th, 2026

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CVSS v3

8.1

HIGH

CVSS v2

N/A

Affected

PROJECT

Description

Buffer overflow in parallel HNSW index build in pgvector 0.6.0 through 0.8.1 allows a database user to leak sensitive data from other relations or crash the database server.

pgvector/pgvector

Open-source vector similarity search for Postgres

GitHub

21.6K