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CVE-2026-33551
LOW3.5
Beschreibung
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 Bewertung3.5
SchweregradLOW
CVSS VektorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N
AngriffsvektorNETWORK
KomplexitatHIGH
Erforderliche PrivilegienLOW
BenutzerinteraktionNONE
Veroffentlicht4/10/2026
Zuletzt geandert4/13/2026
Quellenvd
Honeypot-Sichtungen0
Schwachen (CWE)
CWE-863
Referenzen
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 Korrelationen
Keine Korrelationen erfasst
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