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WS-2021-0106

Date: August 19, 2025

The ability to enumerate users was possible in lexik/jwt-authentication-bundle before 2.10.7 and 2.11.3, without relevant permissions due to different exception messages depending on whether the user existed or not.

Language: PHP

Severity Score

Related Resources (4)

https://github.com/lexik/LexikJWTAuthenticationBundle
https://github.com/lexik/LexikJWTAuthenticationBundle/security/advisories/GHSA-2frx-j9hj-6c65
https://github.com/lexik/LexikJWTAuthenticationBundle/commit/a175d6dab968d93e96a3e4f80c495435f71d5eb7
https://www.mend.io/vulnerability-database/WS-2021-0106

Severity Score

Weakness Type (CWE)

Exposure of Sensitive Information to an Unauthorized Actor

CWE-200

Permissions, Privileges, and Access Control

CWE-264

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): NONE
Availability (A): NONE

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