CVE-2026-75886
Openshift/console: openshift/console: unauthenticated reverse proxy to in-cluster catalogd service with session token forwarding
HIGH 7.2
At a glance
- Source
- NVD
- EPSS
- EPSS 0.33 % · percentile 26 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Awaiting Analysis
Description
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.
Weaknesses (CWE)
- CWE-441 — Unintended Proxy or Intermediary (Confused Deputy)
References
- https://access.redhat.com/errata/RHSA-2026:70587
- https://access.redhat.com/errata/RHSA-2026:70617
- https://access.redhat.com/errata/RHSA-2026:71447
- https://access.redhat.com/errata/RHSA-2026:71450
- https://access.redhat.com/errata/RHSA-2026:71453
- https://access.redhat.com/errata/RHSA-2026:71454
- https://access.redhat.com/security/cve/CVE-2026-75886
- https://bugzilla.redhat.com/show_bug.cgi?id=2517886
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N | redhat |
| CVSS 3.1 | HIGH 7.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N | NVD · secalert@redhat.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-85665
- GCVE · GCVE-0-2026-75886
Affected products
| Product | Versions |
|---|---|
| Red Hat · Red Hat OpenShift Container Platform 4.17 | unaffected 1789939565 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.18 | unaffected 1789904865 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.19 | unaffected 1790095950 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.20 | unaffected 1790112153 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.21 | unaffected 1790142788 < * |
| Red Hat · Red Hat OpenShift Container Platform 4.22 | unaffected 1790130905 < * |
| Red Hat · Red Hat OpenShift Container Platform 4 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |