High severity7.5NVD Advisory· Published Feb 3, 2016· Updated Jun 17, 2026
CVE-2015-7546
CVE-2015-7546
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
keystonePyPI | >= 9.0.0.0b1, < 9.0.0.0b2 | 9.0.0.0b2 |
keystonemiddlewarePyPI | >= 2.4.0, < 4.1.0 | 4.1.0 |
keystonePyPI | >= 8.0, < 8.1.0 | 8.1.0 |
keystonemiddlewarePyPI | < 1.5.4 | 1.5.4 |
keystonemiddlewarePyPI | >= 1.6.0, < 2.3.3 | 2.3.3 |
Affected products
5- cpe:2.3:a:openstack:keystonemiddleware:*:*:*:*:*:*:*:*Range: >=1.5.0,<=1.5.3
- cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*
- ghsa-coords2 versions
>= 9.0.0.0b1, < 9.0.0.0b2+ 1 more
- (no CPE)range: >= 9.0.0.0b1, < 9.0.0.0b2
- (no CPE)range: >= 2.4.0, < 4.1.0
Patches
Vulnerability mechanics
References
12- security.openstack.org/ossa/OSSA-2016-005.htmlnvdPatchVendor AdvisoryWEB
- www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.htmlnvdThird Party AdvisoryWEB
- www.securityfocus.com/bid/80498nvdThird Party AdvisoryVDB Entry
- bugs.launchpad.net/keystone/+bug/1490804nvdIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-8c4w-v65p-jvcvghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2015-7546ghsaADVISORY
- wiki.openstack.org/wiki/OSSN/OSSN-0062nvdVendor AdvisoryWEB
- github.com/openstack/keystone/commit/bff03b5726fe5cac93d44a66715eea49b89c8cb0ghsaWEB
- github.com/openstack/keystone/commit/d5378f173da14a34ca010271477337879002d6d0ghsaWEB
- github.com/openstack/keystonemiddleware/commit/96ab58e6863c92575ada57615b19652e502adfd8ghsaWEB
- github.com/pypa/advisory-database/tree/main/vulns/keystonemiddleware/PYSEC-2016-20.yamlghsaWEB
- web.archive.org/web/20200228002640/http://www.securityfocus.com/bid/80498ghsaWEB
News mentions
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