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CVE-2026-33551
LOW3.5
Descricao
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.
Detalhes CVE
Pontuacao CVSS v3.13.5
SeveridadeLOW
Vetor CVSSCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N
Vetor de ataqueNETWORK
ComplexidadeHIGH
Privilegios necessariosLOW
Interacao do usuarioNONE
Publicado4/10/2026
Ultima modificacao4/13/2026
Fontenvd
Avistamentos honeypot0
Fraquezas (CWE)
CWE-863
Referencias
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)
Correlacoes IOC
Sem correlacoes registradas
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