VULNERABILITY INTELLIGENCE

CVE-2026-18022

CVSS score8.8 HIGH
EPSS probability0.60%
CISA KEVNot currently listed
Published2026-07-29
Last modified2026-08-20
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Integer wraparound in IVFFlat index build in pgvector before 0.8.6 allows a database user to write data out-of-bounds, which could lead to arbitrary code execution. Only 32-bit systems are affected.

Weakness classification

  • CWE-190: Integer Overflow or Wraparound
  • CWE-787: Out-of-bounds Write

Primary references