CVE Watch15 jul 2026

CVE-2026-22797

An issue was discovered in OpenStack keystonemiddleware 10.5 through 10.7 before 10.7.2, 10.8 and 10.9 before 10.9.1, and 10.10 through 10.1

CVSS

9.9

Crítico

EPSS

0.6%

p44

KEV

—

Exploit Today

0-100

Publicado: 19 ene 2026 · Última mod.: 15 jul 2026 · CWE-290

EPSS · 30d

0.6%EPSS · 30 días0.6%

2026-06-302026-07-16

Descripción técnica

An issue was discovered in OpenStack keystonemiddleware 10.5 through 10.7 before 10.7.2, 10.8 and 10.9 before 10.9.1, and 10.10 through 10.12 before 10.12.1. The external_oauth2_token middleware fails to sanitize incoming authentication headers before processing OAuth 2.0 tokens. By sending forged identity headers such as X-Is-Admin-Project, X-Roles, or X-User-Id, an authenticated attacker may escalate privileges or impersonate other users. All deployments using the external_oauth2_token middleware are affected.

Referencias oficiales

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