Widely-used identity product; bypasses all authorization checks, enabling broad access to protected resources.
CVE-2026-9800
Keycloak Policy Enforcer auth bypass lets authenticated users access protected resources via URL.
Is CVE-2026-9800 being exploited?
Not confirmed. CVE-2026-9800 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.65% probability of exploitation in the next 30 days.
How severe is CVE-2026-9800?
CVE-2026-9800 is rated High with a CVSS score of 8.1. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-9800?
Yes. A fix has been recorded for CVE-2026-9800. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-9800 affect?
CVE-2026-9800 affects Keycloak Policy Enforcer. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-9800?
Patch to latest Keycloak; audit policies; review URL access controls.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Auth bypass: any authenticated user can bypass all authorization checks (role, scope, UMA) via crafted URL and access protected resources.
Patch when possible