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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-33551 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
http://www.openwall.com/lists/oss-security/2026/04/07/12 CVE
https://bugs.launchpad.net/keystone/+bug/2142138 CISA-ADP, MITRE
https://security.openstack.org/ossa/OSSA-2026-005.html MITRE

Weakness Enumeration

CWE-ID CWE Name Source
CWE-863 Incorrect Authorization MITRE  

Change History

3 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-33551
NVD Published Date:
04/09/2026
NVD Last Modified:
04/10/2026
Source:
MITRE