CLEANSTART-2026-LU55702

    Dashboard / Vulnerabilities / CLEANSTART-2026-LU55702

    CLEANSTART-2026-LU55702

    Published: 30 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2025-23419

    Summary: When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers

    Details: Security vulnerability affects the ingress-nginx-controller package. When multiple server blocks are configured to share the same IP address and port, an attacker can use session resumption to bypass client certificate authentication requirements on these servers.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-LU55702.json, https://osv.dev/vulnerability/CVE-2025-23419, https://nvd.nist.gov/vuln/detail/CVE-2025-23419

    Affected packages

    Package

    Name: ingress-nginx-controller

    Purl: pkg:apk/cleanstart/ingress-nginx-controller

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -1.15.1-r0

    Affected versions

    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
    CLEANSTART-2026-LU55702 | CVE-DB