CVE-2026-4634
unknown
CVSS v3
—
CVSS v2
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VIR risk
—
Description
Keycloak: Application-Level DoS via Scope Processing
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Maven | org.keycloak:keycloak-services | <26.5.7 | 26.5.7 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-4634
- https://github.com/keycloak/keycloak/issues/47716
- https://github.com/keycloak/keycloak/commit/b455ee4f28abb6f2120aff72fd179589cc5267a0
- https://access.redhat.com/errata/RHSA-2026:6475
- https://access.redhat.com/errata/RHSA-2026:6476
- https://access.redhat.com/errata/RHSA-2026:6477
- https://access.redhat.com/errata/RHSA-2026:6478
- https://access.redhat.com/security/cve/CVE-2026-4634
- https://bugzilla.redhat.com/show_bug.cgi?id=2450250
- https://github.com/keycloak/keycloak
Verify integrity in audit chain (admin only). AS-IS.