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    CVE-2026-40157

    PraisonAI is a multi-agent teams system. Prior to 4.5.128, cmd_unpack in the recipe CLI extracts .praison tar archives using raw tar.extract() without validating archive member paths. A .praison bundle containing ../../ entries will write files outside the intended output directory. An attacker who distributes a malicious bundle can overwrite arbitrary files on the victim's filesystem when they run praisonai recipe unpack. This vulnerability is fixed in 4.5.128.

    Published:Apr 10, 2026
    Last Modified:Apr 24, 2026
    EPS:Apr 10, 2026
    EPSS Score:0.00095
    CVSS Score:8.8

    Affected Products

    Vendor
    Mervinpraison
    Product
    Praisonai
    Vendor
    Praison
    Product
    Praisonai

    Exploits

    https://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-99g3-w8gr-x37chttps://github.com/MervinPraison/PraisonAI/security/advisories/GHSA-99g3-w8gr-x37c

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    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