Privilege Elevation Vulnerability in OpenStack Keystonemiddleware
CVE-2026-115642

8.3HIGH

Key Information:

Vendor

Openstack
Status
Keystonemiddleware
Vendor
CVE Published:
30 October 2026

What is CVE-2026-115642?

In OpenStack Keystonemiddleware versions before 13.0.2, a security flaw permits an attacker with access to restricted application credentials to bypass security measures. By crafting a request with a custom X-Service-Token header, they can gain elevated privileges within the system, leading to potentially unauthorized actions and access to sensitive data.

Affected Version(s)

keystonemiddleware 0 < 10.12.2

keystonemiddleware 11.0.0 < 12.0.1

keystonemiddleware 13.0.0 < 13.0.2

References

https://bugs.launchpad.net/keystonemiddleware/+bug/2162748
https://github.com/openstack/keystonemiddleware/tags
https://www.openwall.com/lists/oss-security/2026/10/29/2

CVSS V3.1

Score:
8.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.