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    CVE-2025-49844

    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 manipulate the garbage collector, trigger a use-after-free and potentially lead to remote code execution. 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 restrict EVAL and EVALSHA commands.

    Published:Oct 3, 2025
    Last Modified:Mar 20, 2026
    EPS:Oct 3, 2025
    EPSS Score:0.12432
    CVSS Score:10

    Affected Products

    Vendor
    Lfprojects
    Product
    Valkey
    Vendor
    Redis
    Product
    Redis

    Exploits

    https://github.com/0xAshwesker/CVE-2025-49844https://github.com/0xBlackash/CVE-2025-49844https://github.com/angelusrivera/CVE-2025-49844https://github.com/Ashwesker/Blackash-CVE-2025-49844https://github.com/B1ack4sh/Blackash-CVE-2025-49844https://github.com/cc3305/CVE-2025-49844https://github.com/Cilectiy/CVE-2025-49844https://github.com/dwisiswant0/CVE-2025-49844https://github.com/elyasbassir/CVE-2025-49844https://github.com/gopinaath/CVE-2025-49844-discoveryhttps://github.com/imbas007/CVE-2025-49844-Vulnerability-Scannerhttps://github.com/ksnnd32/redis_exploithttps://github.com/lastvocher/redis-CVE-2025-49844https://github.com/MiclelsonCN/CVE-2025-49844_POChttps://github.com/Mufti22/CVE-2025-49844-RediShell-Vulnerability-Scannerhttps://github.com/Network-Sec/CVE-2025-49844-RediShell-AI-made-Revshellhttps://github.com/open-flaw/CVE-2025-49844https://github.com/pedrorichil/CVE-2025-49844https://github.com/raminfp/redis_exploithttps://github.com/saneki/cve-2025-49844https://github.com/srozb/reditraphttps://github.com/YuanBenSir/CVE-2025-49844_POChttps://github.com/Yuri08loveElaina/CVE-2025-49844https://github.com/Zain3311/CVE-2025-49844https://github.com/zbyszkok/CVE-2025-49844-RediShell-AI-made-Revshell

    Common Weakness Enumeration

    CWE-416 Use After Free

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High