Security Advisory WSO2-2025-4897/CVE-2026-0637

Published: 2026-05-03

Version: 1.0.0

Severity: Medium

CVSS Score: 4.4 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N)

CVE IDs: CVE-2026-0637


AFFECTED PRODUCTS

  • WSO2 API Control Plane: 4.6.0, 4.5.0
  • WSO2 API Manager: 4.6.0, 4.5.0, 4.4.0, 4.3.0, 4.2.0, 4.1.0, 3.2.1, 3.2.0, 3.1.0
  • WSO2 Identity Server as Key Manager: 5.10.0
  • WSO2 Identity Server: 7.2.0, 7.1.0, 7.0.0, 6.1.0, 6.0.0, 5.11.0, 5.10.0
  • WSO2 Open Banking AM: 2.0.0
  • WSO2 Open Banking IAM: 2.0.0
  • WSO2 Traffic Manager: 4.6.0, 4.5.0
  • WSO2 Universal Gateway: 4.6.0, 4.5.0

OVERVIEW

Potential disclosure of sensitive information via Event Publisher warn logs.

DESCRIPTION

When an Event Publisher output adapter is configured with irrelevant properties, the affected products log the irrelevant properties. This may include user credentials or other confidential information, depending on the property value used.

IMPACT

A malicious actor with access to the 'wso2carbon' log files could retrieve sensitive information logged by the system, potentially leading to unauthorized access.

SOLUTION

Community Users (Open Source)

Apply the relevant fixes to your product using the public fix(es) provided below.

If applying the fix or update is not feasible, migrate to the latest unaffected version of the respective WSO2 product(s).

Support Subscription Holders

Update your product to the specified update level, or to a higher update level, to mitigate the identified vulnerability.

Info

WSO2 Support Subscription Holders may use WSO2 Updates in order to apply the fix.

Product Name Product Version Update Level
WSO2 API Control Plane 4.6.0 14
WSO2 API Control Plane 4.5.0 50
WSO2 API Manager 4.6.0 13
WSO2 API Manager 4.5.0 49
WSO2 API Manager 4.4.0 64
WSO2 API Manager 4.3.0 100
WSO2 API Manager 4.2.0 189
WSO2 API Manager 4.1.0 249
WSO2 API Manager 3.2.1 84
WSO2 API Manager 3.2.0 465
WSO2 API Manager 3.1.0 357
WSO2 Identity Server 7.2.0 8
WSO2 Identity Server 7.1.0 47
WSO2 Identity Server 7.0.0 139
WSO2 Identity Server 6.1.0 261
WSO2 Identity Server 6.0.0 260
WSO2 Identity Server 5.11.0 433
WSO2 Identity Server 5.10.0 386
WSO2 Identity Server as Key Manager 5.10.0 377
WSO2 Open Banking AM 2.0.0 406
WSO2 Open Banking IAM 2.0.0 426
WSO2 Traffic Manager 4.6.0 13
WSO2 Traffic Manager 4.5.0 48
WSO2 Universal Gateway 4.6.0 13
WSO2 Universal Gateway 4.5.0 49