VDB
CVE-2026-4633
CVE-2026-4633
PUBLISHED
CVSS 3.700000047683716 LOW
A flaw was found in Keycloak. A remote attacker can exploit differential error messages during the identity-first login flow when Organizations are enabled. This vulnerability allows an attacker to determine the existence of users, leading to information disclosure through user enumeration.
EPSS 0.02% · 4.7th percentile
Risk Scores
CVSS v3.1
3.700000047683716
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score
0.02%
4.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Maven | org.keycloak:keycloak-services | 0, 0, 0 |
| Red Hat | Red Hat Build of Keycloak |
Timeline
- Mar 23, 2026 CVE Published
- Mar 23, 2026 EPSS Score
- Mar 23, 2026 PoC Published
- Mar 24, 2026 EPSS Score
- Mar 24, 2026 PoC Published
- Mar 25, 2026 EPSS Score
- Mar 25, 2026 Coalition ESS Score
- Mar 26, 2026 EPSS Score
- Mar 27, 2026 Coalition ESS Score
- Mar 27, 2026 Security Advisory
- Apr 13, 2026 CVE Updated
- May 18, 2026 EPSS Score