CVE-2026-107908 FalkorDB - Out of Bounds Read/Write

FalkorDB < 4.20.0 contains a heap-based out-of-bounds write caused by improper size validation in BoltReadHandler, letting remote unauthenticated attackers cause denial of service or execute arbitrary code via crafted Bolt RESET messages, exploit requires Bolt endpoint enabled.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.60% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read/Write
Impact
Denial Of Service, Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
9 October 2026
Updated
15 October 2026
Weakness
CWE-787

Vendor fix

Update to version 4.20.0 or later.

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

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