CVE-2026-3172

—

CVSS 3.1

8.1 high

EPSS

<1%p25

Published

Feb 25, 2026 (Feb 25, 2026)

Modified

Jun 17, 2026

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.

Weakness: CWE-191, CWE-787
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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