---
title: "CVE-2026-7827: FalkorDB - Buffer Overflow"
description: "FalkorDB < 4.18.4 contains a stack-based buffer overflow caused by improper bounds checking in _RdbLoadEntity function of RDB graph decoders, letting remote attackers issuing Redis replication commands cause denial of service or remote code execution by supplying crafted RDB streams."
url: https://panop.io/threat-heartbeat/CVE-2026-7827/
---

# CVE-2026-7827 FalkorDB - Buffer Overflow

FalkorDB < 4.18.4 contains a stack-based buffer overflow caused by improper bounds checking in \_RdbLoadEntity function of RDB graph decoders, letting remote attackers issuing Redis replication commands cause denial of service or remote code execution by supplying crafted RDB streams.

CVSS base score 8.1 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.58% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-7827)

## Details

Type

Buffer Overflow

Impact

Denial Of Service, Remote Code Execution

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

9 October 2026

Updated

15 October 2026

Weakness

[CWE-121](https://cwe.mitre.org/data/definitions/121.html)

## Vendor fix

Upgrade to version 4.18.4 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

- [https://nvd.nist.gov/vuln/detail/CVE-2026-7827](https://nvd.nist.gov/vuln/detail/CVE-2026-7827)
- [https://github.com/FalkorDB/FalkorDB/commit/7d15431aadf37588fadc2578b90c3afb5e8daa94](https://github.com/FalkorDB/FalkorDB/commit/7d15431aadf37588fadc2578b90c3afb5e8daa94)
- [https://github.com/FalkorDB/FalkorDB/pull/1973](https://github.com/FalkorDB/FalkorDB/pull/1973)
- [https://github.com/FalkorDB/FalkorDB/releases/tag/v4.18.4](https://github.com/FalkorDB/FalkorDB/releases/tag/v4.18.4)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

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