| Package | Affected versions | Patched versions |
|---|---|---|
| keystone | ≥ 13.0.0, ≤ 29.0.1≥ 14.0.0, < 27.0.2≥ 28.0.0, < 28.0.2≥ 29.0.0, < 29.0.2 | 27.0.228.0.229.0.2 |
| keystone | ≥ 14.0.0, < 27.0.2≥ 28.0.0, < 28.0.2≥ 29.0.0, < 29.0.2 | 27.0.228.0.229.0.2 |
An issue was discovered in OpenStack Keystone 13 through 29. POST /v3/credentials did not validate that the caller-supplied project_id for an EC2-type credential matched the project of the authenticating application credential. This allowed an attacker holding an unrestricted application credential for project A to create an EC2 credential targeting project B; a subsequent /v3/ec2tokens exchange would then issue a Keystone token scoped to project B while still carrying the original app_cred_id, enabling cross-project lateral movement within the credential owner's role footprint.
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