CVSS 3.1
7.5 highCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2015-7546
The identity service in OpenStack Identity (Keystone) before 2015.1.3 (Kilo) and 8.0.x before 8.0.2 (Liberty) and keystonemiddleware (formerly python-keystoneclient) before 1.5.4 (Kilo) and Liberty before 2.3.3 does not properly invalidate authorization tokens when using the PKI or PKIZ token providers, which allows remote authenticated users to bypass intended access restrictions and gain access to cloud resources by manipulating byte fields within a revoked token.
Severity
- EPSS
- 2.0% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
- CWE
- CWE-522
- Published
- Modified
- Record from
- the NVD, synced
Affected
- openstack:keystone
- openstack:keystonemiddleware
- oracle:solaris
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-8c4w-v65p-jvcv | PyPI | keystone | >=9.0.0.0b1 <9.0.0.0b2 | 9.0.0.0b2 |
| GHSA-8c4w-v65p-jvcv | PyPI | keystonemiddleware | >=2.4.0 <4.1.0 | 4.1.0 |
| GHSA-8c4w-v65p-jvcv | PyPI | keystone | >=8.0 <8.1.0 | 8.1.0 |
| GHSA-8c4w-v65p-jvcv | PyPI | keystonemiddleware | <1.5.4 | 1.5.4 |
| GHSA-8c4w-v65p-jvcv | PyPI | keystonemiddleware | >=1.6.0 <2.3.3 | 2.3.3 |
| PYSEC-2016-20 | PyPI | keystonemiddleware | <1.5.4 >=1.6.0 <2.3.3 | 1.5.4, 2.3.3 |
| PYSEC-2026-2549 | PyPI | keystone | >=8.0 <8.1.0 >=9.0.0.0b1 <9.0.0.0b2 | 8.1.0, 9.0.0.0b2 |