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CVE-2026-3172 - Vulnerability Analysis

HighCVSS: 8.1

Last Updated: February 25, 2026

pgvector - Buffer Overflow

Published: February 25, 2026Updated: February 25, 2026Remote Exploitable

Overview

pgvector 0.6.0 through 0.8.1 contains a buffer overflow in parallel HNSW index build, letting database users leak sensitive data or crash the database server, exploit requires database user privileges.

Severity & Score

Severity: High

CVSS Score: 8.1

Impact

Database users can leak sensitive data or crash the database server, causing denial of service or information disclosure.

Mitigation

Update to a version later than 0.8.1 or the latest available version.

References

https://github.com/pgvector/pgvector/issues/959

Related Resources

Vulnerability Intelligence Dashboard
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Details

CVE ID: CVE-2026-3172
Severity: High
CVSS Score: 8.1
Type: buffer_overflow
Status: new

CWE

CWE-191

CVSS Metrics

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