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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade keystone | Nov 18, 2025 | Nov 18, 2025 |
| Ubuntu | — | Upgrade python3-keystoneUpgrade keystone | Nov 19, 2025 | Nov 4, 2025 |
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