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    4 vulnerabilities found for Apache Vysper by Apache Software Foundation

    CVE-2026-115748 (GCVE-0-2026-115748)

    Vulnerability from nvd – Published: 2026-10-26 15:01 – Updated: 2026-10-26 15:34 Unsupported When Assigned
    VLAI
    Title
    Apache Vysper: Authorization bypass
    Summary
    **UNSUPPORTED WHEN ASSIGNED**  Authorization bypass in Apache Vysper, all versions. Apache Vysper is an XMPP (Jabber) server library. Its XEP-0077 (In-Band Registration) implementation is missing an authentication check, allowing any authenticated user to compromise other accounts. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    CWE
    • CWE-639 - Authorization bypass through User-Controlled key
    Assigner
    apache CNA under the mitre root
    CNA scorecard B 76/100 over 1078 records in the last 180 days details
    References
    Impacted products
    Credits
    Ho1aAs <xxy010605@gmail.com>
    Show details on NVD website
    To clipboard 

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    CVE-2026-115721 (GCVE-0-2026-115721)

    Vulnerability from nvd – Published: 2026-10-26 15:01 – Updated: 2026-10-26 15:01 Unsupported When Assigned
    VLAI
    Title
    Apache Vysper: Unbounded allocation
    Summary
    **UNSUPPORTED WHEN ASSIGNED**  Unbounded allocation in XML parsing in Apache Vysper; all versions, may lead to an out of memory condition. This issue affects all versions of Apache Vysper. Apache Vysper is an XMPP (Jabber) server library. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative.
    Severity
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    CWE
    • cwe-770
    Assigner
    apache CNA under the mitre root
    CNA scorecard B 76/100 over 1078 records in the last 180 days details
    References
    Impacted products
    Credits
    Gjoko Krstic (Zero Science Lab)
    Show details on NVD website
    To clipboard 

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    CVE-2026-115748 (GCVE-0-2026-115748)

    Vulnerability from cvelistv5 – Published: 2026-10-26 15:01 – Updated: 2026-10-26 15:34 Unsupported When Assigned
    VLAI
    Title
    Apache Vysper: Authorization bypass
    Summary
    **UNSUPPORTED WHEN ASSIGNED**  Authorization bypass in Apache Vysper, all versions. Apache Vysper is an XMPP (Jabber) server library. Its XEP-0077 (In-Band Registration) implementation is missing an authentication check, allowing any authenticated user to compromise other accounts. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative.
    Severity
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    CWE
    • CWE-639 - Authorization bypass through User-Controlled key
    Assigner
    apache CNA under the mitre root
    CNA scorecard B 76/100 over 1078 records in the last 180 days details
    References
    Impacted products
    Credits
    Ho1aAs <xxy010605@gmail.com>
    Show details on NVD website
    To clipboard 

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    CVE-2026-115721 (GCVE-0-2026-115721)

    Vulnerability from cvelistv5 – Published: 2026-10-26 15:01 – Updated: 2026-10-26 15:01 Unsupported When Assigned
    VLAI
    Title
    Apache Vysper: Unbounded allocation
    Summary
    **UNSUPPORTED WHEN ASSIGNED**  Unbounded allocation in XML parsing in Apache Vysper; all versions, may lead to an out of memory condition. This issue affects all versions of Apache Vysper. Apache Vysper is an XMPP (Jabber) server library. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative.
    Severity
    7.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    CWE
    • cwe-770
    Assigner
    apache CNA under the mitre root
    CNA scorecard B 76/100 over 1078 records in the last 180 days details
    References
    Impacted products
    Credits
    Gjoko Krstic (Zero Science Lab)
    Show details on NVD website
    To clipboard 

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      "tags": [
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      "title": "Apache Vysper: Unbounded allocation",
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    "assignerShortName": "apache",
    "cveId": "CVE-2026-115721",
    "datePublished": "2026-10-26T15:01:18.445Z",
    "dateReserved": "2026-10-23T11:19:39.107Z",
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