CVE-2026-3172 in pgvector

Sumário

de MITRE • 25/02/2026

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.

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• Responsável: PostgreSQL
• Reservar: 24/02/2026
• Divulgação: 25/02/2026
• Moderação: aceite
• Entrada: VDB-347906
• CPE: pronto
• CWE: CWE-191 (confirmado)
• CVSS: 8.1 (CNA)
• EPSS: 0.00063
• KEV: não
• Atividades: muito baixo

Fontes

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-3172
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3172
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-3172/