PYSEC-2026-627

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    PYSEC-2026-627

    Published: 2 Jul 2026Last Modified: 6 Jul 2026

    Summary: XML External Entities Vulnerability in CVRF-CSAF-Converter

    Details: CVRF-CSAF-Converter before 1.0.0-rc2 resolves XML External Entities (XXE). This leads to the inclusion of arbitrary (local) file content into the generated output document. An attacker can exploit this to disclose information from the system running the converter.

    References: https://nvd.nist.gov/vuln/detail/CVE-2022-27193, https://github.com/csaf-tools/CVRF-CSAF-Converter, https://github.com/csaf-tools/CVRF-CSAF-Converter/releases/tag/1.0.0-rc2, https://pypi.org/project/cvrf2csaf, https://github.com/advisories/GHSA-m8gq-83gh-v42v

    Affected packages

    Package

    Name: cvrf2csaf

    Purl: pkg:pypi/cvrf2csaf

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.0.0rc2

    Affected versions

    1.0.0.dev1
    1.0.0.dev2
    1.0.0.dev3
    1.0.0rc1

    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