PYSEC-2026-693

    Dashboard / Vulnerabilities / PYSEC-2026-693

    PYSEC-2026-693

    Published: 2 Jul 2026Last Modified: 6 Jul 2026

    Summary: Open Redirect in CPython that affects users of OpenStack Nova

    Details: A vulnerability was found in CPython which is used by openstack-nova's console proxy, noVNC. By crafting a malicious URL, noVNC could be made to redirect to any desired URL.

    References: https://nvd.nist.gov/vuln/detail/CVE-2021-3654, https://bugs.launchpad.net/nova/+bug/1927677, https://bugs.python.org/issue32084, https://bugzilla.redhat.com/show_bug.cgi?id=1961439, https://opendev.org/openstack/nova, https://opendev.org/openstack/nova/commit/04d48527b62a35d912f93bc75613a6cca606df66, https://opendev.org/openstack/nova/commit/8906552cfc2525a44251d4cf313ece61e57251eb, https://security.gentoo.org/glsa/202305-02, https://security.openstack.org/ossa/OSSA-2021-002.html, https://www.openwall.com/lists/oss-security/2021/07/29/2, https://pypi.org/project/nova, https://github.com/advisories/GHSA-vqp6-j452-j6wp

    Affected packages

    Package

    Name: nova

    Purl: pkg:pypi/nova

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -21.2.3

    Affected versions

    15.1.5

    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-2026-693 | CVE-DB