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VULNERABILITIES

CVE-2026-103484 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: PostgreSQLCVSS-B:8.8 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/pgvector/pgvector/commit/ee00d39ab30c2a7cf9510abf9288c624d91db156 PostgreSQL
https://github.com/pgvector/pgvector/issues/1036 PostgreSQL

Weakness Enumeration

CWE-IDCWE NameSource
CWE-1284Improper Validation of Specified Quantity in InputPostgreSQL
CWE-787Out-of-bounds WritePostgreSQL

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-103484
NVD Published Date:
Oct 1, 2026
NVD Last Modified:
Oct 2, 2026
Source:
PostgreSQL
CVE-2026-103484 Details - Not Deferred