---
id: CVE-2026-85522
title: A vulnerability was detected in valkey-io valkey up to 9.5.4/9.1.0
summary: >-
  A vulnerability was detected in valkey-io valkey up to 9.5.4/9.1.0. Affected
  by this vulnerability is the function createSlotImportJob of the file
  src/cluster_migrateslots.c of the component Slot Migration. The manipulation
  of the argume…
severity: medium
cvss: 5.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'
cwe:
  - CWE-119
  - CWE-125
published: '2026-09-04'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T13:12:58.310'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85522'
references:
  - url: 'https://github.com/valkey-io/valkey/'
    label: cna@vuldb.com
  - url: >-
      https://github.com/valkey-io/valkey/commit/f4dc3ca09eb650c2fe14060090a41c524eca803f
    label: cna@vuldb.com
  - url: 'https://github.com/valkey-io/valkey/issues/4207'
    label: cna@vuldb.com
  - url: 'https://github.com/valkey-io/valkey/pull/4210'
    label: cna@vuldb.com
  - url: 'https://github.com/valkey-io/valkey/releases/tag/9.1.1'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-85522'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/895119'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/398707'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/398707/cti'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00496
epssPercentile: 0.41494
ingestedAt: '2026-09-08T15:33:26.961Z'
---

## Overview

A vulnerability was detected in valkey-io valkey up to 9.5.4/9.1.0. Affected by this vulnerability is the function createSlotImportJob of the file src/cluster_migrateslots.c of the component Slot Migration. The manipulation of the argument job_name results in out-of-bounds read. The attack can be executed remotely. The exploit is now public and may be used. Upgrading to version 9.0.5 and 9.1.1 addresses this issue. The patch is identified as f4dc3ca09eb650c2fe14060090a41c524eca803f. Upgrading the affected component is advised.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.