{"id":"CVE-2012-4457","aliases":["GHSA-x8h4-xf47-pqc3","PYSEC-2026-834"],"title":"OpenStack Keystone Token authorization for a user in a disabled tenant is allowed","summary":"OpenStack Keystone Token authorization for a user in a disabled tenant is allowed","severity":"medium","vendor":"keystone","product":"keystone","ecosystem":"pip","affected":["keystone < 8.0.0a0"],"patched":["keystone 8.0.0a0"],"published":"2022-05-14","updated":"2026-07-07","source":"OSV","sourceUrl":"https://osv.dev/vulnerability/GHSA-x8h4-xf47-pqc3","references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4457"},{"url":"https://github.com/openstack/keystone/commit/4ebfdfaf23c6da8e3c182bf3ec2cb2b7132ef685"},{"url":"https://github.com/openstack/keystone/commit/5373601bbdda10f879c08af1698852142b75f8d5"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=861180"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/78947"},{"url":"https://github.com/openstack/keystone"},{"url":"https://lists.launchpad.net/openstack/msg17035.html"},{"url":"http://secunia.com/advisories/50665"},{"url":"http://www.openwall.com/lists/oss-security/2012/09/28/6"},{"url":"http://www.securityfocus.com/bid/55716"}],"tags":["osv","pip"],"epss":0.02286,"epssPercentile":0.82238,"ingestedAt":"2026-07-08T18:25:54.150Z","slug":"CVE-2012-4457","body":"## Overview\n\nOpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-3 does not properly handle authorization tokens for disabled tenants, which allows remote authenticated users to access the tenant's resources by requesting a token for the tenant.\n\n## Affected packages\n\n- `keystone < 8.0.0a0`\n\n## Remediation\n\nUpgrade to a patched release:\n\n- `keystone 8.0.0a0`","depth":"sunlit","depthScore":28,"depthScoreParts":{"impact":27.5,"likelihood":0.5,"exploitation":0,"ransomware":0},"changes":[]}