Improper Handling of Highly Compressed Data (Data Amplification) Affecting org.keycloak:keycloak-services package, versions [1.9.0.CR1,26.5.4)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGKEYCLOAK-15304465
- published17 Feb 2026
- disclosed16 Feb 2026
- creditSho Odagiri
Introduced: 16 Feb 2026
CVE-2026-2575 (opens in a new tab)How to fix?
Upgrade org.keycloak:keycloak-services to version 26.5.4 or higher.
Overview
org.keycloak:keycloak-services is an open source identity and access management solution for modern applications and services.
Affected versions of this package are vulnerable to Improper Handling of Highly Compressed Data (Data Amplification) via the SAMLRequest DEFLATE decompression. An attacker can cause service disruption by sending a highly compressed requests that trigger excessive resource consumption during decompression.