CVE-2026-103484

IVFFlat index build in pgvector before 0.8.7 allows a database user to write data out-of-bounds, which can lead to arbitrary code execution.

  • Published Oct 1, 2026
  • CVSS 8.8 high
  • 0.4% chance of exploitation in the next 30 days (EPSS)
  • A fix is available

Affected software

CVE-2026-103484 at the National Vulnerability Database