CVE-2024-12139

Medium

Description

The error handling implementation fails to properly sanitize or validate user-supplied input within URL parameters under specific conditions. This allows end-users to manipulate the error messages that are displayed by the application. By exploiting this vulnerability, malicious actors can inject arbitrary content into error messages. This enables them to perform social engineering attacks, such as phishing or credential theft, by replacing legitimate error messages with malicious content, misleading users into compromising sensitive information or taking harmful actions.

SeverityMedium
CVSS4.3
Exploit probability—
ProductWSO2 API Manager
PublishedNov 2, 2026
First seenNov 4, 2026
Weakness typeCWE-116CWE-116

How to fix

Update
  • WSO2 WSO2 API Manager3.2.1.49, 4.1.0.210, 4.2.0.148 or later
  • WSO2 WSO2 Identity Server5.10.0.346, 5.11.0.385, 6.0.0.229 or later
  • WSO2 WSO2 Identity Server as Key Manager5.10.0.339 or later

Affected products

ProductAffected versionsFixed in
WSO2 WSO2 API Manager3.2.1 ≤ v < 3.2.1.49, 4.1.0 ≤ v < 4.1.0.210, 4.2.0 ≤ v < 4.2.0.1483.2.1.49, 4.1.0.210, 4.2.0.148
WSO2 WSO2 Identity Server5.10.0 ≤ v < 5.10.0.346, 5.11.0 ≤ v < 5.11.0.385, 6.0.0 ≤ v < 6.0.0.2295.10.0.346, 5.11.0.385, 6.0.0.229
WSO2 WSO2 Identity Server as Key Manager5.10.0 ≤ v < 5.10.0.3395.10.0.339

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