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BIT-keycloak-2026-4634

Published Aug 25, 2026·Last modified Aug 25, 2026
Affected Components(4)
Bitnami logokeycloak
26.2.15 – 26.3.0
Bitnami logokeycloak
26.4.11 – 26.5.0
Bitnami logokeycloak
26.2.0 – 26.2.1
1 / 2
Description

A flaw was found in Keycloak. An unauthenticated attacker can exploit this vulnerability by sending a specially crafted POST request with an excessively long scope parameter to the OpenID Connect (OIDC) token endpoint. This leads to high resource consumption and prolonged processing times, ultimately resulting in a Denial of Service (DoS) for the Keycloak server.

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Risk Scores
Base Score
0.0

Measures severity based on intrinsic characteristics of the vulnerability, independent of environment.

Threat Intelligence
0.0

No exploitation activity has been observed at this time. Continue routine monitoring.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • EUVD-2026-18212
    Alias
  • CVE-2026-4634
    Alias
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