Vulnerability DatabaseWS-2019-0247
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WS-2019-0247
Published:May 14, 2026
Updated:May 14, 2026
In loopback, versions before v2.42.0 (2.x) and before v3.26.0 (3.x) are vulnerable to sensitive data exposure when Invalid API requests to the login endpoint may return information about the first user in the database.
Affected Packages
loopback (NPM):
Affected version(s) >=3.0.0 <3.26.0
Fix Suggestion:
Update to version 3.26.0
loopback (NPM):
Affected version(s) >=2.0.0 <2.42.0
Fix Suggestion:
Update to version 2.42.0
Related Resources (2)
https://github.com/strongloop/loopback/commit/2dd98a368b719e85644c7cd901694ac38393d808
https://github.com/strongloop/loopback/issues/4195
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CVSS v4
Base Score:
6.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE