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CVE-2026-82463
Published:August 29, 2026
Updated:September 08, 2026
pac4j-core before 6.5.6 contains an authentication bypass vulnerability in CheckProfileTypeAuthorizer that reverses the profile type validation logic. Attackers can authenticate through a weaker client and access resources requiring a stronger profile type by satisfying generic profile checks.
Affected Packages
https://github.com/pac4j/pac4j.git (GITHUB):
Affected version(s) >=pac4j-parent-6.5.0 <pac4j-parent-6.5.6
Fix Suggestion:
Update to version pac4j-parent-6.5.6
org.pac4j:pac4j-core (JAVA):
Affected version(s) >=1.4.0 <6.5.6
Fix Suggestion:
Update to version 6.5.6
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CVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Incorrect Authorization
EPSS
Base Score:
0.30