CVE-2012-3542High· 7.5▾ TwilightOpenStack Keystone Allows Remote User Account Creation
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 41.3 · likelihood 0.5 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via OSV
Last analysed / modified upstream
2.5%
OpenStack Keystone, as used in OpenStack Folsom before folsom-rc1 and OpenStack Essex (2012.1), allows remote attackers to add an arbitrary user to an arbitrary tenant via a request to update the user's default tenant to the administrative API. NOTE: this identifier was originally incorrectly assigned to an open redirect issue, but the correct identifier for that issue is CVE-2012-3540.
keystone < 2012.1Upgrade to a patched release:
keystone 2012.1Connected by shared product, vendor, weakness, or advisory.
CVE-2012-4457MediumOpenStack Keystone Token authorization for a user in a disabled tenant is allowed
CVE-2026-44394Medium· 6.0OpenStack Keystone's federated token rescoping mechanism doesn't propagate the original token's expiry to the newly issued token
CVE-2026-43000Medium· 6.0OpenStack Keystone has an Incorrect Authorization issue
CVE-2012-4456HighOpenStack Keystone Improper Authentication vulnerability
CVE-2015-3646MediumOpenStack Keystone Logs Passwords
CVE-2025-65073High· 7.5OpenStack Keystone allows /v3/ec2tokens or /v3/s3tokens request with valid AWS Signature to provide Keystone authorization.