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Janssen Config API returns results without scope verification

Critical
moabu published GHSA-373j-mhpf-84wg Jun 30, 2025

Package

maven io.jans.jans-config-api-server (Maven)

Affected versions

<1.8.0

Patched versions

1.8.0

Description

Impact

What kind of vulnerability is it? Who is impacted?
The configAPI is an internal service and hence should never be exposed to the internet. With that said, this is a serious vulnerability that has a large internal surface attack area that exposes all sorts of information from the IDP including clients, users, scripts ..etc.

This affects all users of Janssen <1.8.0 and Gluu Flex <5.8.0

Patches

Has the problem been patched? What versions should users upgrade to?
All users are advised to upgrade immediately to 1.8.0 for Janssen users and 5.8.0 For Flex users.

Workarounds

Is there a way for users to fix or remediate the vulnerability without upgrading?
The user can potentially fork and build the config api and patch it in their system following the commit here 92eea4d

References

Are there any links users can visit to find out more?
#11575
92eea4d

Severity

Critical

CVE ID

CVE-2025-53003

Weaknesses

Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Learn more on MITRE.

Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Learn more on MITRE.

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Learn more on MITRE.