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    CVE-2026-75886

    A flaw was found in openshift/console. An unauthenticated remote attacker can exploit a misconfiguration in the CatalogdHandler, which lacks proper authentication, and the forwarding of the `openshift-session-token` cookie. This allows the attacker to send requests to the in-cluster catalogd service, leading to the disclosure of the internal operator-catalog index and providing a relay into the openshift-catalogd namespace.

    Published:Sep 23, 2026
    Last Modified:Oct 1, 2026
    EPS:Sep 23, 2026
    EPSS Score:0.00324
    CVSS Score:7.2

    Affected Products

    Vendor
    Redhat
    Product
    Openshift
    Vendor
    Redhat
    Product
    Openshift Container Platform

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-441 Unintended Proxy or Intermediary

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-219 XML Routing Detour Attacks
    CAPEC-465 Transparent Proxy Abuse

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    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