CVE-2025-46819

Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 and below allow an authenticated user to use a specially crafted LUA script to read out-of-bound data or crash the server and subsequent denial of service. The problem exists in all versions of Redis with Lua scripting. This issue is fixed in version 8.2.2. To workaround this issue without patching the redis-server executable is to prevent users from executing Lua scripts. This can be done using ACL to block a script by restricting both the EVAL and FUNCTION command families.

• CWE-190
• CWE-125

• https://github.com/redis/redis/commit/3a1624da2449ac3dbfc4bdaed43adf77a0b7bfbaPatch
• https://github.com/redis/redis/releases/tag/8.2.2Release Notes
• https://github.com/redis/redis/security/advisories/GHSA-4c68-q8q8-3g4fThird Party Advisory
• https://www.vicarius.io/vsociety/posts/cve-2025-46819-detect-redis-vulnerabilityThird Party Advisory
• https://www.vicarius.io/vsociety/posts/cve-2025-46819-mitigate-redis-vulnerabilityMitigation, Third Party Advisory

Published

Oct 3, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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