CVE-2026-88409 FalkorDB Redis module - Buffer Overflow

FalkorDB Redis module v4.20.1 to v4.20.4 contains a buffer overflow caused by improper handling in _Decode_GrB_Matrix function, letting attackers cause denial of service via crafted input, exploit requires no special privileges.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.48% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
21 September 2026
Updated
15 October 2026
Weakness
CWE-120

Vendor fix

Update to a version later than v4.20.4 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs