PYSEC-2026-2964

    Dashboard / Vulnerabilities / PYSEC-2026-2964

    PYSEC-2026-2964

    Published: 9 Jul 2026Last Modified: 13 Jul 2026

    Summary: Plone unauthorized member addition vulnerability

    Details: Plone 3.3.0 through 3.3.6, 4.0.0 through 4.0.10, 4.1.0 through 4.1.6, 4.2.0 through 4.2.7, 4.3.0 through 4.3.6, and 5.0rc1 allows remote attackers to add a new member to a Plone site with registration enabled, without acknowledgment of site administrator.

    References: https://nvd.nist.gov/vuln/detail/CVE-2015-7315, https://github.com/plone/Products.CMFPlone/commit/1845b0a92312291811b68907bf2aa0fb448c4016, https://github.com/plone/Products.CMFPlone/commit/9f0111f85cd14f3f067044b59b93e2856c99d542, https://github.com/zopefoundation/Products.CMFCore/commit/e1d981bfa14b664317285f0f36498f4be4a23406, https://bugzilla.redhat.com/show_bug.cgi?id=1264791, https://github.com/plone/Products.CMFPlone, https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2017-52.yaml, https://plone.org/security/hotfix/20150910/anonymous-is-able-to-create-plone-members, https://pypi.org/project/Products.PloneHotfix20150910, http://www.openwall.com/lists/oss-security/2015/09/22/13, https://pypi.org/project/products-cmfplone, https://github.com/advisories/GHSA-984m-rj28-8c6x

    Affected packages

    Package

    Name: products-cmfplone

    Purl: pkg:pypi/products-cmfplone

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 3.3.0
    Fixed -4.3.7

    Affected versions

    4.0b1

    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
    PYSEC-2026-2964 | CVE-DB