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CVE-2026-9704 Keycloak: keycloak: privilege escalation due to oversized subject_token jwt

🗓️ 27 May 2026 12:56:00Reported by redhatType 
vulnrichment
 vulnrichment
🔗 github.com👁 14 Views

An authenticated low-privilege user can exploit an oversized subject token to force a fallback to client credentials at the token endpoint, escalating to the service account.

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