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7.2

Red Hat OpenShift Console lets unauthenticated users view catalog

CVE-2026-75886 · published 1 month ago
Summary

The OpenShift Console component does not require a login before forwarding a session token to the internal catalog service. This allows anyone on the network to request the operator catalog index and potentially explore the catalog namespace. Apply the supplied vendor patch or update to the latest OpenShift Container Platform release to secure the console.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
red hat red hat openshift container platform 4 All versions
red hat red hat openshift container platform 4.20 All versions
red hat red hat openshift container platform 4.21 All versions
red hat red hat openshift container platform 4.22 All versions
red hat red hat openshift container platform 4.17 All versions
red hat red hat openshift container platform 4.18 All versions
red hat red hat openshift container platform 4.19 All versions
Original advisory text
Openshift/console: openshift/console: unauthenticated reverse proxy to in-cluster catalogd service with session token forwarding
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.
References
Fix within
Internet-facing 14 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker partial control
Severity
7.2 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-441Unintended Proxy or Intermediary ('Confused Deputy')
Timeline
Published23 Sep 2026
Updated4 Nov 2026
First seen23 Sep 2026
Sources
CVE-2026-75886 · NVD
CVE-2026-75886 · MITRE
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