# CVE-2026-85522: valkey: A vulnerability was detected in valkey-io valkey up to 9.5.4/9.1.0

CVE-2026-85522 is fixed in 7 products on 1 platform, first by valkey-sentinel 9.0.4-0ubuntu0.2, released September 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-85522
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.0086
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 4, 2026

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | valkey Debian 14 | 9.1.2-1 | [DEBIAN-CVE-2026-85522](https://patchblox.com/security/data/fix/linux/debian-cve-2026-85522.md) | Sep 17, 2026 |
| Linux | valkey amzn 2023 | 9.0.6-1.amzn2023.0.1 | [ALAS2023-2026-3091](https://patchblox.com/security/data/fix/linux/alas2023-2026-3091.md) | Sep 28, 2026 |
| Linux | valkey-debuginfo amzn 2023 | 9.0.6-1.amzn2023.0.1 | [ALAS2023-2026-3091](https://patchblox.com/security/data/fix/linux/alas2023-2026-3091.md) | Sep 28, 2026 |
| Linux | valkey-debugsource amzn 2023 | 9.0.6-1.amzn2023.0.1 | [ALAS2023-2026-3091](https://patchblox.com/security/data/fix/linux/alas2023-2026-3091.md) | Sep 28, 2026 |
| Linux | valkey-devel amzn 2023 | 9.0.6-1.amzn2023.0.1 | [ALAS2023-2026-3091](https://patchblox.com/security/data/fix/linux/alas2023-2026-3091.md) | Sep 28, 2026 |
| Linux | valkey-sentinel Ubuntu 26.04.1 LTS (resolute) | 9.0.4-0ubuntu0.2 | [valkey-sentinel 9.0.4-0ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-valkey-sentinel-9.0.4-0ubuntu0.2.md) | Sep 4, 2026 |
| Linux | valkey-server Ubuntu 26.04.1 LTS (resolute) | 9.0.4-0ubuntu0.2 | [valkey-server 9.0.4-0ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-valkey-server-9.0.4-0ubuntu0.2.md) | Sep 4, 2026 |
| Linux | valkey-tools Ubuntu 26.04.1 LTS (resolute) | 9.0.4-0ubuntu0.2 | [valkey-tools 9.0.4-0ubuntu0.2](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-valkey-tools-9.0.4-0ubuntu0.2.md) | Sep 4, 2026 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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