Is CVE-2026-88409 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-88409?

CVE-2026-88409 has a CVSS v3 severity of HIGH (8.8).

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CVE-2026-88409

Description

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.