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    CVE-2026-25526

    JinJava is a Java-based template engine based on django template syntax, adapted to render jinja templates. Prior to versions 2.7.6 and 2.8.3, JinJava is vulnerable to arbitrary Java execution via bypass through ForTag. This allows arbitrary Java class instantiation and file access bypassing built-in sandbox restrictions. This issue has been patched in versions 2.7.6 and 2.8.3.

    Published:Feb 4, 2026
    Last Modified:Apr 17, 2026
    EPS:Feb 4, 2026
    EPSS Score:0.00042
    CVSS Score:9.8

    Affected Products

    Vendor
    Hubspot
    Product
    Jinjava

    Exploits

    https://github.com/av4nth1ka/jinjava-cve-2026-25526-poc

    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