CVE-2026-88409
8.8 HIGHpublic exploit availablePublished 2026-09-21 · Updated 2026-09-21
AI risk analysis
- Summary
- The _Decode_GrB_Matrix function in FalkorDB's Redis module allows buffer overflow when processing crafted inputs, leading to potential Denial of Service (DoS).
- Exploitability
- Exploitation requires attackers to provide specific crafted input; moderate effort needed.
- Blast radius
- If exploited, this could disrupt services relying on the affected version of FalkorDB, causing downtime.
- Prioritized remediation
- Upgrade FalkorDB to a non-vulnerable version immediately.
dosbuffer-overflowredis
Analysis generated locally by qwen2.5:7b-instruct (no data left the box). AI-assisted — verify against primary sources before acting.
NVD 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 vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Public exploit & PoC references
All references
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
- LOWCVE-2026-85219PoC
- LOWCVE-2026-85220
- HIGHCVE-2026-88406PoC
- HIGHCVE-2026-88407PoC
- MEDIUMCVE-2026-88408PoC
- HIGHCVE-2026-88411PoC
- MEDIUMCVE-2026-88412PoC
- MEDIUMCVE-2026-93433
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