Improper Isolation or Compartmentalization Affecting org.keycloak:keycloak-server-spi package, versions [,26.5.7)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.04% (11th percentile)

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  • Snyk IDSNYK-JAVA-ORGKEYCLOAK-15907540
  • published5 Apr 2026
  • disclosed2 Apr 2026
  • creditUnknown

Introduced: 2 Apr 2026

NewCVE-2026-4325  (opens in a new tab)
CWE-653  (opens in a new tab)

How to fix?

Upgrade org.keycloak:keycloak-server-spi to version 26.5.7 or higher.

Overview

Affected versions of this package are vulnerable to Improper Isolation or Compartmentalization through improper handling of single-use entries in the SingleUseObjectProvider a global key-value store. An attacker can gain unauthorized access or compromise accounts by replaying consumed action tokens, such as password reset links.

CVSS Base Scores

version 4.0
version 3.1