VULNERABILITY INTELLIGENCE

CVE-2026-23479

CVSS score8.8 HIGH
EPSS probability2.61%
CISA KEVNot currently listed
Published2026-05-05
Last modified2026-07-25
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

Redis is an in-memory data structure store. In redis-server from 7.2.0 until 8.6.3, the unblock client flow does not handle an error return from `processCommandAndResetClient` when re-executing a blocked command. If a blocked client is evicted during this flow, an authenticated attacker can trigger a use-after-free that may lead to remote code execution. This has been patched in version 8.6.3.

Weakness classification

  • security-advisories@github.com: CWE-416
  • 0b0ca135-0b70-47e7-9f44-1890c2a1c46c: CWE-416

Primary references