Allocation of Resources Without Limits or Throttling in Keycloak
A vulnerability was found in Keycloak before 11.0.1 where DoS attack is possible by sending twenty requests simultaneously to the specified keycloak server, all with a Content-Length header value that exceeds the actual byte count of the request body.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Java / Kotlin (Maven) | org.keycloak:keycloak-parent | < 11.0.1 | 11.0.1 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-770- Platform
- Java / Kotlin (Maven)
- Package
org.keycloak:keycloak-parent- Disclosed
- 09.02.2022
- Updated
- 11.10.2026 11:21
Sources and licenses
OSV / GitHub Advisory Database - GHSA-52rg-hpwq-qp56 - CC BY 4.0
Vulnerability history: org.keycloak:keycloak-parent
All published vulnerabilities of this package (Java / Kotlin (Maven)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 26
- First → latest
- 05.2021 02.2026
- Without a fix
- 6
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- High 12
- Medium 10
- Low 2
Disclosures per year
- 2021: 1
- 2022: 22
- 2023: 1
- 2024: 0
- 2025: 0
- 2026: 2
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Allocation of Resources Without Limits or Throttling in Keycloak this entry
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