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 replicas where replica-read-only is disabled. This is patched in version
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 replicas where replica-read-only is disabled. This is patched in version 8.6.3.
- 🔗 github.com/redis/redis/security/advisories/GHSA-8ghh…
- 🔗 github.com/redis/redis/releases/tag/8.6.3
- 🔗 access.redhat.com/errata/RHSA-2026:14316
- 🔗 access.redhat.com/errata/RHSA-2026:25216
- 🔗 access.redhat.com/errata/RHSA-2026:25219
- 🔗 access.redhat.com/errata/RHSA-2026:25925
- 🔗 access.redhat.com/errata/RHSA-2026:26306
- 🔗 access.redhat.com/errata/RHSA-2026:26540
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| Tier | 2026-08-29 | 2026-09-12 |
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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 replicas where replica-read-only is disabled. This is patched in version
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-on