---
id: CVE-2026-115642
title: >-
  In OpenStack keystonemiddleware before 13.0.2, by supplying a custom
  X-Service-Token header in a request, anyone in possession of an
  access-restricted application credential may bypass those restrictions
  resulting in elevation of privile…
summary: >-
  In OpenStack keystonemiddleware before 13.0.2, by supplying a custom
  X-Service-Token header in a request, anyone in possession of an
  access-restricted application credential may bypass those restrictions
  resulting in elevation of privile…
severity: high
cvss: 8.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L'
cvssSource: cna
cwe:
  - CWE-863
vendor: OpenStack
product: keystonemiddleware
affected:
  - keystonemiddleware < 10.12.2
  - keystonemiddleware >= 11.0.0 < 12.0.1
  - keystonemiddleware >= 13.0.0 < 13.0.2
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-30T16:54:22.630767Z'
published: '2026-10-30'
updated: '2026-10-30'
sourceUpdated: '2026-10-30T17:07:49.860Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115642'
references:
  - url: 'https://bugs.launchpad.net/keystonemiddleware/+bug/2162748'
  - url: 'https://github.com/openstack/keystonemiddleware/tags'
  - url: 'https://www.openwall.com/lists/oss-security/2026/10/29/2'
tags:
  - cve.org
epss: 0.0051
epssPercentile: 0.43658
ingestedAt: '2026-11-05T16:24:31.128Z'
---

## Overview

In OpenStack keystonemiddleware before 13.0.2, by supplying a custom X-Service-Token header in a request, anyone in possession of an access-restricted application credential may bypass those restrictions resulting in elevation of privileges.

## Affected

- `keystonemiddleware < 10.12.2`
- `keystonemiddleware >= 11.0.0 < 12.0.1`
- `keystonemiddleware >= 13.0.0 < 13.0.2`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.