Improper authentication in Redis - CVE-2025-46818

 

Improper authentication in Redis - CVE-2025-46818

Published: October 7, 2025 / Updated: October 8, 2025


Vulnerability identifier: #VU116641
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2025-46818
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Redis Labs
Affected software:
Redis

Detailed vulnerability description

The vulnerability allows a remote user to escalate privileges within the application.

The vulnerability exists due to an error when handling Lua scripts. A remote user can manipulate different LUA objects and potentially run their own code in the context of another user.


How to mitigate CVE-2025-46818

Install updates from vendor's website.

Sources