# RHSA-2026:26540: valkey security update

RHSA-2026:26540, released May 5, 2026, fixes 3 CVEs in valkey (version 8.0.9-1.el10_0). None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-26540
- Platform: Linux
- Released: May 5, 2026
- Priority: High (Closes CVE-2026-25243, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:26540

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [valkey](https://patchblox.com/security/data/product/linux/valkey.md) | RHEL 10 | 8.0.9-1.el10_0 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-25243](https://patchblox.com/security/data/cve/CVE-2026-25243.md) | High | redis: Redis is an in-memory data structure store | 8.8 | 0.0403 |  |
| [CVE-2026-23631](https://patchblox.com/security/data/cve/CVE-2026-23631.md) | High | redis: Redis is an in-memory data structure store | 8.8 | 0.0309 |  |
| [CVE-2026-23479](https://patchblox.com/security/data/cve/CVE-2026-23479.md) | High | redis: Redis is an in-memory data structure store | 8.8 | 0.0261 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo