← Back to CVEs
CVE-2026-33551
LOW3.5
Description
An issue was discovered in OpenStack Keystone 14 through 26 before 26.1.1, 27.0.0, 28.0.0, and 29.0.0. Restricted application credentials can create EC2 credentials. By using a restricted application credential to call the EC2 credential creation API, an authenticated user with only a reader role may obtain an EC2/S3 credential that carries the full set of the parent user's S3 permissions, effectively bypassing the role restrictions imposed on the application credential. Only deployments that use restricted application credentials in combination with the EC2/S3 compatibility API (swift3 / s3api) are affected.
CVE Details
CVSS v3.1 Score3.5
SeverityLOW
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N
Attack VectorNETWORK
ComplexityHIGH
Privileges RequiredLOW
User InteractionNONE
Published4/10/2026
Last Modified4/13/2026
Sourcenvd
Honeypot Sightings0
Weaknesses (CWE)
CWE-863
References
https://bugs.launchpad.net/keystone/+bug/2142138(cve@mitre.org)
https://security.openstack.org/ossa/OSSA-2026-005.html(cve@mitre.org)
http://www.openwall.com/lists/oss-security/2026/04/07/12(af854a3a-2127-422b-91ae-364da2661108)
https://bugs.launchpad.net/keystone/+bug/2142138(134c704f-9b21-4f2e-91b3-4a467353bcc0)
IOC Correlations
No correlations recorded
This product uses data from the NVD API but is not endorsed or certified by the NVD.