GHSA-6g3c-2mh5-7q6x

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    GHSA-6g3c-2mh5-7q6x

    Published: 19 Apr 2021Last Modified: 8 Jul 2026

    Summary: Missing validation of JWT signature in `ManyDesigns/Portofino`

    Details: ### Impact [Portofino](https://github.com/ManyDesigns/Portofino) is an open source web development framework. Portofino before version 5.2.1 did not properly verify the signature of JSON Web Tokens. This allows forging a valid JWT. ### Patches The issue will be patched in the upcoming 5.2.1 release. ### For more information If you have any questions or comments about this advisory: * Open an issue in [https://github.com/ManyDesigns/Portofino](https://github.com/ManyDesigns/Portofino)

    References: https://github.com/ManyDesigns/Portofino/security/advisories/GHSA-6g3c-2mh5-7q6x, https://nvd.nist.gov/vuln/detail/CVE-2021-29451, https://github.com/ManyDesigns/Portofino/commit/8c754a0ad234555e813dcbf9e57d637f9f23d8fb, https://mvnrepository.com/artifact/com.manydesigns/portofino

    Affected packages

    Package

    Name: com.manydesigns:portofino-dispatcher

    Purl: pkg:maven/com.manydesigns/portofino-dispatcher

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 5.0.0
    Fixed -5.2.1

    Affected versions

    5.0.0
    5.0.1
    5.0.2
    5.0.3

    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
    GHSA-6g3c-2mh5-7q6x | CVE-DB