Lookup for vulnerabilities affecting packages.
| Vulnerability_id | VCID-a5d9-k9vd-fyfe |
| Summary | Keycloak's identity-first login flow exposes user information
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. |
| Aliases |
| 0 |
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| 1 |
| alias |
GHSA-rhgq-f8x5-j2jc |
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| Affected_packages |
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| References |
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| 2 |
| reference_url |
https://api.first.org/data/v1/epss?cve=CVE-2026-4633 |
| reference_id |
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| reference_type |
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| scores |
| 0 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11308 |
| published_at |
2026-04-21T12:55:00Z |
|
| 1 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11389 |
| published_at |
2026-04-02T12:55:00Z |
|
| 2 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11446 |
| published_at |
2026-04-04T12:55:00Z |
|
| 3 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11237 |
| published_at |
2026-04-07T12:55:00Z |
|
| 4 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11318 |
| published_at |
2026-04-08T12:55:00Z |
|
| 5 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11372 |
| published_at |
2026-04-09T12:55:00Z |
|
| 6 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11378 |
| published_at |
2026-04-11T12:55:00Z |
|
| 7 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11344 |
| published_at |
2026-04-12T12:55:00Z |
|
| 8 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11315 |
| published_at |
2026-04-13T12:55:00Z |
|
| 9 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11177 |
| published_at |
2026-04-16T12:55:00Z |
|
| 10 |
| value |
0.00038 |
| scoring_system |
epss |
| scoring_elements |
0.11179 |
| published_at |
2026-04-18T12:55:00Z |
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| url |
https://api.first.org/data/v1/epss?cve=CVE-2026-4633 |
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| 9 |
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| 10 |
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| Weaknesses |
| 0 |
| cwe_id |
209 |
| name |
Generation of Error Message Containing Sensitive Information |
| description |
The product generates an error message that includes sensitive information about its environment, users, or associated data. |
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| Exploits |
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| Severity_range_score | 0.1 - 3.7 |
| Exploitability | 0.5 |
| Weighted_severity | 3.3 |
| Risk_score | 1.6 |
| Resource_url | http://public2.vulnerablecode.io/vulnerabilities/VCID-a5d9-k9vd-fyfe |