CVE-2026-88409

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

FalkorDB (Redis module) v4.20.1 to v4.20.4 was discovered to contain a buffer overflow in the _Decode_GrB_Matrix function (/v19/decode_matrix.c). This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.

Published 2026-09-21. Last modified 2026-09-22.