Maas-billing: maas api: privilege escalation via forged http headers due to missing authentication (Red Hat Red Hat OpenShift AI 3.4)
At a glance
- Source
- NVD
- EPSS
- EPSS 0.69 % · percentile 53 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Awaiting Analysis
Description
A flaw was found in the MaaS API. This vulnerability allows any pod within the cluster to bypass the Kuadrant AuthPolicy gateway by forging HTTP headers, specifically `X-MaaS-Username` and `X-MaaS-Group`, which are trusted verbatim. This lack of first-party authentication enables an attacker to gain unauthorized access and escalate privileges. The concrete consequences include the ability to mint Kubernetes ServiceAccount tokens in other tenants' namespaces, revoke API keys, and exfiltrate sensitive model access configuration.
Weaknesses (CWE)
- CWE-290 — Authentication Bypass by Spoofing
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | CRITICAL 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | redhat |
| CVSS 3.1 | CRITICAL 9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H | NVD · secalert@redhat.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-55808
- GCVE · GCVE-0-2026-14450
Affected products
| Product | Versions |
|---|---|
| Red Hat · Red Hat OpenShift AI 3.4 | unaffected 1785850409 < * |
| Red Hat · Red Hat OpenShift AI 3.4 | unaffected 1787153683 < * |
| Red Hat · Red Hat OpenShift AI (RHOAI) | |
| Red Hat · Red Hat OpenShift AI (RHOAI) |
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 |