keystonemiddleware · Vulnerability
cve-program · CVE-2026-22797
PublishedAn 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.
Read the publisher's advisoryAffected versions, risk and source history
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CVE-2026-22797 · CVE overview and exploitation status
cve-program · CVE-2026-22797
Related changes
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