Is CVE-2026-103484 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-103484?

CVE-2026-103484 has a CVSS v3 severity of HIGH (8.8).

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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.