Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | keystone | 2:9.0.0~rc2-1 | — |
| Debian 14 | python-keystonemiddleware | 3.0.0-1 | — |
| Debian 13 | keystone | 2:9.0.0~rc2-1 | — |
| Debian 13 | python-keystonemiddleware | 3.0.0-1 | — |
| Debian 12 | keystone | 2:9.0.0~rc2-1 | — |
| Debian 12 | python-keystonemiddleware | 3.0.0-1 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | keystone | >= 9.0.0.0b1, < 9.0.0.0b2 | 9.0.0.0b2 | GHSA-8c4w-v65p-jvcv |
| PyPI | keystone | >= 8.0, < 8.1.0 | 8.1.0 | GHSA-8c4w-v65p-jvcv |
| PyPI | keystone | >= 8.0, < 8.1.0 · >= 9.0.0.0b1, < 9.0.0.0b2 | 8.1.0, 9.0.0.0b2 | PYSEC-2026-2549 |
| PyPI | keystonemiddleware | >= 2.4.0, < 4.1.0 | 4.1.0 | 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 | GHSA-8c4w-v65p-jvcv |
| PyPI | keystonemiddleware | < 1.5.4 · >= 1.6.0, < 2.3.3 | 1.5.4, 2.3.3 | PYSEC-2016-20 |