PT-2026-65883 · Undefined · Undefined

0Xji3F For · CVE-2026-18022 · Published 2026-07-29 · Updated 2026-07-29

Mitre

CVSS v3.1

8.8

High

Base vector

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

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.

Fix

Integer Overflow

Memory Corruption

Weakness Enumeration

CWE-190

CWE-787

Related Identifiers

CVE-2026-18022

Affected Products

Undefined

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-18022 · Security Note
• https://github.com/pgvector/pgvector/issues/1006 · Note
• https://github.com/pgvector/pgvector/commit/636a92a3395d2e036ffd40d07aeb400a708ae104 · Note