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.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Feb 25, 2026 · NIST NVD

   Detected

   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.

2. Jun 17, 2026 · NIST NVD

   Updated

   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.

Sources

• CVE.orgVulnerability recordCVE-2026-3172

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-3172

  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.

  nvd.nist.gov

References

• Reference · github.com