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HIGH

CVE-2026-88409

CVSS v3

8.8

HIGH

EPSS Score

0.5 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-09-21
Last Modified
2026-09-22

Frequently asked questions

What is CVE-2026-88409?

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.

Is CVE-2026-88409 actively exploited?

Active exploitation of CVE-2026-88409 has not been confirmed. Its EPSS score was 0.5% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-88409?

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

Is CVE-2026-88409 affecting your environment?

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