Description
OpenStack Identity (Keystone) before 2013.2.4, 2014.1 before 2014.1.2, and Juno before Juno-2 does not properly handle chained delegation, which allows remote authenticated users to gain privileges by leveraging a (1) trust or (2) OAuth token with impersonation enabled to create a new token with additional roles.
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 | 2014.1.1-2 | — |
| Debian 13 | keystone | 2014.1.1-2 | — |
| Debian 12 | keystone | 2014.1.1-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | keystone | 1:2014.1.2.1-0ubuntu1 | USN-2324-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat OpenStack 4 | python-keystone +2 | 2013.2.3-7.el6ost | RHSA-2014:0994 |
| Red Hat OpenStack 3 | python-keystone +2 | 2013.1.5-3.el6ost | RHSA-2014:0994 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | keystone | < 8.0.0a0 | 8.0.0a0 | GHSA-274v-r947-v34r |
Advisories 2
- RHSA-2014:0994 Red Hat Security Advisory: openstack-keystone security update Red Hat Security Advisories (RHSA) · Aug 1, 2026
- USN-2324-1 keystone vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
References
- SUSE-SU-2014:0848 vendor-advisory
- 59547 third-party-advisory
- 68026 vdb-entry
- https://bugs.launchpad.net/keystone/+bug/1324592
- 57886 third-party-advisory
- [oss-security] 20140612 [OSSA 2014-018] Keystone privilege escalation through trust chained delegation (CVE-2014-3476) mailing-list