All vulnerabilities

Servers and applications

CVE-2026-23631

Redis is an in-memory data structure store. In all versions of redis-server with Lua scripting, an authenticated attacker can exploit the master-replica synchronization mechanism to trigger a use-after-free on replicas where replica-read-only is disabled or can be disabled, which may lead to remote code execution. A workaround is to prevent users from executing Lua scripts or avoid using…

Severity
Medium 6.1
Published
5 May 2026
Last changed
25 Jul 2026
Added to UpHeron
21 Oct 2026
Fixed in
8.6.3
Sources
NVD

Affected software

SoftwareAffected versions
RedisServers and applications · cpe:a:redis:redis
  • Every version before 8.6.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-23631
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-23631