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OpenStack Keystone has an Authorization Bypass

  • Publicada: 28.05.2026
  • Actualizado: 11.10.2026 15:17

An issue was discovered in OpenStack Keystone before 29.0.2. The Keystone RBAC policy enforcer in enforce_call unconditionally merges the raw JSON request body into the policy enforcement dictionary via policy_dict.update(json_input.copy()), overwriting trusted target data that was previously set from database lookups. Because flask.request.get_json is called with force=True, this works regardless of Content-Type or HTTP method. Any authenticated user can inject arbitrary policy target attributes (e.g., user_id, project_id) into the request body to bypass RBAC checks and perform unauthorized operations on resources belonging to other users or projects. This was introduced in commit 5ea59f52 (Rocky/14.0.0).

Software afectado

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PlataformaPaqueteVersiones vulnerablesCorregida en
Python (PyPI) keystone >= 14.0.0, < 27.0.2, >= 28.0.0, < 28.0.2, >= 29.0.0, < 29.0.2 27.0.2, 28.0.2, 29.0.2

Referencias

Puntuación CVSS 6/10
Vector CVSS
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
Debilidad (CWE)
CWE-639, CWE-863
Plataforma
Python (PyPI)
Paquete
keystone
Publicada
28.05.2026
Actualizado
11.10.2026 15:17

Fuentes y licencias

OSV / GitHub Advisory Database - PYSEC-2026-600 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-2r23-2g6v-2m5f - CC BY 4.0

Historial de vulnerabilidades: keystone

Todas las vulnerabilidades publicadas de este paquete (Python (PyPI)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.

Todas (42) en el archivo
Entradas en total
42
Primera → última
09.2012 05.2026
Sin corrección
3
Explotada en ataques
0

Distribución por gravedad

  • Crítica 1
  • Alta 18
  • Media 21
  • Baja 1
  • Sin evaluar 1

Divulgaciones por año

antes: 13

Gravedad:
  1. OpenStack Keystone has an Authorization Bypass esta entrada
    Media · 6.0 CVE-2026-42999 >= 14.0.0, < 27.0.2, >= 28.0.0, < 28.0.2, >= 29.0.0, < 29.0.2 27.0.2, 28.0.2, 29.0.2
  2. OpenStack Keystone has an Incorrect Authorization Issue
    Alta · 7.9 CVE-2026-43001 >= 13.0.0, <= 29.0.1 sin corrección
  3. OpenStack Keystone: LDAP identity backend does not convert enabled attribute to boolean
    Alta · 7.7 CVE-2026-40683 < 28.0.1 28.0.1
  4. OpenStack Keystone allows /v3/ec2tokens or /v3/s3tokens request with valid AWS Signature to provide Keystone authorization.
    Alta · 7.5 CVE-2025-65073 < 26.0.1, >= 27.0.0.0rc1, < 27.0.0, >= 28.0.0.0rc1, < 28.0.0 26.0.1, 27.0.0, 28.0.0
  5. Openstack Keystone Incorrect Authorization vulnerability
    Crítica · 9.1 CVE-2021-3563 <= 21.0.0 sin corrección
  6. OpenStack Keystone allows information disclosure during account locking
    Alta · 7.5 CVE-2021-38155 >= 10.0, < 16.0.2, >= 17.0, < 17.0.1, >= 18.0, < 18.0.1, >= 19.0, < 19.0.1 16.0.2, 17.0.1, 18.0.1, 19.0.1
  7. OpenStack Keystone Improper Authentication vulnerability
    Alta CVE-2012-4456 >= 2012.1, < 2012.1.2 2012.1.2
  8. An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. Any user authenticated within a limited scope (trust/oauth/application credential) can create an EC2 credential with an escalat
    Alta · 8.8 CVE-2020-12689 < 15.0.1 15.0.1
  9. An issue was discovered in OpenStack Keystone before 15.0.1, and 16.0.0. Any authenticated user can create an EC2 credential for themselves for a project that they have a specified role on, and then p
    Alta · 8.8 CVE-2020-12691 < 15.0.1 15.0.1
  10. Insufficient Session Expiration in OpenStack Keystone
    Alta · 8.8 CVE-2020-12690 < 15.0.1, >= 16.0.0.0rc1, < 16.0.0 15.0.1, 16.0.0
  11. OpenStack Keystone 15.0.0 and 16.0.0 is affected by Data Leakage in the list credentials API. Any user with a role on a project is able to list any credentials with the /v3/credentials API when enforc
    Alta · 8.8 CVE-2019-19687 < 16.0.1 16.0.1
  12. An authorization-check flaw was discovered in federation configurations of the OpenStack Identity service (keystone). An authenticated federated user could request permissions to a project and uninten
    Alta · 7.2 CVE-2017-2673 >= 9.0.0, < 10.0.2, >= 11.0.0, < 11.0.1 10.0.2, 11.0.1
  13. OpenStack Identity Keystone and keystonemiddleware Insufficiently Protected Credentials
    Alta · 7.5 CVE-2015-7546 >= 8.0, < 8.1.0, >= 9.0.0.0b1, < 9.0.0.0b2 8.1.0, 9.0.0.0b2
  14. OpenStack Identity (Keystone) Multiple vulnerabilities in revocation events
    Alta · 6.5 CVE-2014-5251 < 8.0.0a0 8.0.0a0
  15. OpenStack Identity (Keystone) UUID v2 tokens does not expire with revocation events
    Alta · 6.5 CVE-2014-5252 < 8.0.0a0 8.0.0a0
  16. OpenStack Keystone Domain-scoped tokens don't get revoked
    Alta · 6.5 CVE-2014-5253 < 8.0.0a0 8.0.0a0
  17. OpenStack Identity (Keystone) DoS through V3 API authentication chaining
    Alta · 7.5 CVE-2014-2828 < 8.0.0a0 8.0.0a0
  18. OpenStack Identity (Keystone) Trustee token revocations does not work with memcache backend
    Alta · 6.5 CVE-2014-2237 < 8.0.0a0 8.0.0a0
  19. OpenStack Keystone, as used in OpenStack Folsom 2012.2, does not properly implement token expiration, which allows remote authenticated users to bypass intended authorization restrictions by creating
    Alta · 5.9 CVE-2012-5563 todas las versiones sin corrección
  20. OpenStack Keystone Allows Remote User Account Creation
    Alta · 7.5 CVE-2012-3542 < 2012.1 2012.1

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