CVE-2026-103484
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductPgvector
PublishedOct 1, 2026
First seenOct 1, 2026
Weakness typeCWE-787Out-of-bounds writeCWE-1284CWE-1284
How to fix
Update
- pgvector0.8.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| pgvector | v < 0.8.7 | 0.8.7 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.