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    CVE-2026-2655

    A vulnerability was detected in ChaiScript up to 6.1.0. The impacted element is the function chaiscript::str_less::operator of the file include/chaiscript/chaiscript_defines.hpp. The manipulation results in use after free. The attack requires a local approach. The attack requires a high level of complexity. The exploitability is regarded as difficult. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

    Published:Feb 18, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 18, 2026
    EPSS Score:0.00012
    CVSS Score:2.5

    Affected Products

    Vendor
    Chaiscript
    Product
    Chaiscript

    Exploits

    https://github.com/ChaiScript/ChaiScript/issues/632https://github.com/ChaiScript/ChaiScript/issues/632#issue-3827824936https://github.com/ChaiScript/ChaiScript/issues/632

    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