Redis: Authenticated users can execute LUA scripts as a different user

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-46818
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-10-03 19:15:43 UTC
Updated2026-10-19 17:10:00 UTC
DescriptionRedis 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 manipulate different LUA objects and potentially run their own code in the context of another user. The problem exists in all versions of Redis with LUA scripting. This issue is fixed in version 8.2.2. A workaround to mitigate the problem 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.

Risk And Classification

Primary CVSS: v3.1 7.3 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Problem Types: CWE-94 | CWE-94 CWE-94: Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.3HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
3.1[email protected]Secondary6MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
3.1CNADECLARED6MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Redis Redis All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Redis Redis affected < 8.2.2 Not specified

References

ReferenceSourceLinkTags
github.com/redis/redis/releases/tag/8.2.2 [email protected] github.com Release Notes
github.com/redis/redis/security/advisories/GHSA-qrv7-wcrx-q5jp [email protected] github.com Third Party Advisory
github.com/redis/redis/commit/45eac0262028c771b6f5307372814b75f49f7a9e [email protected] github.com Patch
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