Vulnerability · Published Sep 21, 2026 · Assigned by mitre
CVE-2026-88409
High 8.8
In plain English
A high-severity buffer overflow in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.5%top 58.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-120 · Vector: CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:L/S:U/UI:N