CVE-2026-5759 FalkorDB - Use After Free

FalkorDB < 4.18.1 contains a double free and use-after-free vulnerability caused by improper length check in RdbLoadDeletedNodes function of RDB graph decoders, letting remote attackers issuing Redis replication commands cause denial of service or remote code execution, exploit requires ability to issue replication commands.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.55% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Use After Free
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-415

Vendor fix

Upgrade to version 4.18.1 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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