CVE-2025-65073: Openstack Keystone

High severity, CVSS 7.5. EPSS: 0.2% chance of exploitation in the next 30 days.

OpenStack Keystone before 26.0.1, 27.0.0, and 28.0.0 allows a /v3/ec2tokens or /v3/s3tokens request with a valid AWS Signature to provide Keystone authorization.

Affected products

• Openstack Keystone: before 26.0.1 (fixed in 26.0.1); version 27.0.0 only; version 28.0.0 only

Published 2025-11-17. Last modified 2026-06-17.