CVE-2026-18022

HIGH CVSS 8.8 View on NVD ↗

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.

CVSS Vector

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

References

https://github.com/pgvector/pgvector/commit/636a92a3395d2e036ffd40d07aeb400a708ae104
https://github.com/pgvector/pgvector/issues/1006

Published: Jul 29, 2026 20:17 UTC Modified: Jul 30, 2026 16:43 UTC