The identity service in OpenStack Identity (Keystone) before 2015.1.3 (Kilo) and 8.0.x…
Priority LOW 37CWE-522Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 4 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-522.
Summary
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.
Why it matters now
EPSS 0.01997 80th percentileScored 2026-11-07
Fix Partial keystone (PyPI): 9.0.0.0b2, 8.1.0keystonemiddleware (PyPI): 4.1.0, 1.5.4, 2.3.3Red Hat: 4 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | keystone (PyPI) | 9.0.0.0b1 to before 9.0.0.0b2 | 9.0.0.0b2 | Patch available | GHSA-8c4w-v65p-jvcv |
| — | keystonemiddleware (PyPI) | 2.4.0 to before 4.1.0 | 4.1.0 | Patch available | GHSA-8c4w-v65p-jvcv |
| — | keystone (PyPI) | 8.0 to before 8.1.0 | 8.1.0 | Patch available | GHSA-8c4w-v65p-jvcv |
| — | keystonemiddleware (PyPI) | before 1.5.4 | 1.5.4 | Patch available | GHSA-8c4w-v65p-jvcv |
| — | keystonemiddleware (PyPI) | 1.6.0 to before 2.3.3 | 2.3.3 | Patch available | GHSA-8c4w-v65p-jvcv |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- keystone (PyPI) Vendor— Affected 9.0.0.0b1 to before 9.0.0.0b2 Fixed in 9.0.0.0b2 Patch available GHSA-8c4w-v65p-jvcv
- keystonemiddleware (PyPI) Vendor— Affected 2.4.0 to before 4.1.0 Fixed in 4.1.0 Patch available GHSA-8c4w-v65p-jvcv
- keystone (PyPI) Vendor— Affected 8.0 to before 8.1.0 Fixed in 8.1.0 Patch available GHSA-8c4w-v65p-jvcv
- keystonemiddleware (PyPI) Vendor— Affected before 1.5.4 Fixed in 1.5.4 Patch available GHSA-8c4w-v65p-jvcv
- keystonemiddleware (PyPI) Vendor— Affected 1.6.0 to before 2.3.3 Fixed in 2.3.3 Patch available GHSA-8c4w-v65p-jvcv
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:* | 1.5.0 – 1.5.3; 1.6.0 – 2.3.2 | Vulnerable | OpenStack |
| cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* | 8.0.0 to before 8.0.2; 2015.1.0 – 2015.1.2 | Vulnerable | OpenStack |
| cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* | 11.3 | Vulnerable | Oracle |
- cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:* Versions 1.5.0 – 1.5.3; 1.6.0 – 2.3.2 Vulnerable ·OpenStack
- cpe:2.3:a:openstack:keystone:*:*:*:*:*:*:*:* Versions 8.0.0 to before 8.0.2; 2015.1.0 – 2015.1.2 Vulnerable ·OpenStack
- cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle
Remediation
- Fix · GHSA-8c4w-v65p-jvcv keystone (PyPI) Fixed in 9.0.0.0b2 Advisory →
- Fix · GHSA-8c4w-v65p-jvcv keystonemiddleware (PyPI) Fixed in 4.1.0 Advisory →
- Fix · GHSA-8c4w-v65p-jvcv keystone (PyPI) Fixed in 8.1.0 Advisory →
- Fix · GHSA-8c4w-v65p-jvcv keystonemiddleware (PyPI) Fixed in 1.5.4 Advisory →
- Fix · GHSA-8c4w-v65p-jvcv keystonemiddleware (PyPI) Fixed in 2.3.3 Advisory →
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux OpenStack Platform 5 (Icehouse) | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 6 (Juno) | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux OpenStack Platform 7 (Kilo) | Affected | No fix planned: Will not fix |
| Red Hat OpenStack Platform 8 (Liberty) | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-7546
- 2026-10-03 Alias added: GHSA-8c4w-v65p-jvcv
References
Advisory 4
Other 5
- https://github.com/openstack/keystone/commit/bff03b5726fe5cac93d44a66715eea49b89c8cb0
- https://github.com/openstack/keystone/commit/d5378f173da14a34ca010271477337879002d6d0
- https://github.com/openstack/keystonemiddleware/commit/96ab58e6863c92575ada57615b19652e502adfd8
- https://github.com/pypa/advisory-database/tree/main/vulns/keystonemiddleware/PYSEC-2016-20.yaml
- https://web.archive.org/web/20200228002640/http://www.securityfocus.com/bid/80498
Sources
- CVE-2015-7546 · CVE Program
- CVE-2015-7546 · NVD
- FIRST EPSS
- GHSA-8c4w-v65p-jvcv · GitHub Advisory Database · CC BY 4.0
- CVE-2015-7546 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences