Open Redirect Affecting org.pac4j:pac4j-core package, versions [,6.5.6)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.2% (10th percentile)

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  • Snyk IDSNYK-JAVA-ORGPAC4J-19433586
  • published31 Aug 2026
  • disclosed29 Aug 2026
  • creditUnknown

Introduced: 29 Aug 2026

NewCVE-2026-82464  (opens in a new tab)
CWE-601  (opens in a new tab)

How to fix?

Upgrade org.pac4j:pac4j-core to version 6.5.6 or higher.

Overview

org.pac4j:pac4j-core is a pac4j is an easy and powerful security engine for Java to authenticate users, get their profiles and manage authorizations in order to secure web applications and web services.

Affected versions of this package are vulnerable to Open Redirect in the perform function of DefaultLogoutLogic when processing logout requests containing backslash-prefixed redirect targets that match the configured logout URL pattern. An attacker can redirect users to malicious sites by crafting logout links with backslash-prefixed external hosts, which browsers interpret as network-path references.

CVSS Base Scores

version 4.0
version 3.1