CVE-2026-88409 — HIGH (8.8)

Vulnerability 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.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-120

References

https://github.com/FalkorDB/FalkorDB/issues/2399

FAQ

What is CVE-2026-88409?

CVE-2026-88409 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 ...

How severe is CVE-2026-88409?

CVE-2026-88409 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-88409?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.