CLEANSTART-2026-ER07763

    Dashboard / Vulnerabilities / CLEANSTART-2026-ER07763

    CLEANSTART-2026-ER07763

    Published: 5 Nov 2026Last Modified: 5 Nov 2026
    Upstream:
    CVE-2021-25740

    Summary: security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack

    Details: Security vulnerability affects the nfs-subdir-external-provisioner package. A security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-ER07763.json, https://osv.dev/vulnerability/CVE-2021-25740, https://nvd.nist.gov/vuln/detail/CVE-2021-25740

    Affected packages

    Package

    Name: nfs-subdir-external-provisioner

    Purl: pkg:apk/cleanstart/nfs-subdir-external-provisioner

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.0.2-r4

    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