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Back to active CVEs
Medium · CVSS 4.3CVE-2024-12139

Content Spoofing via Error Handling in Multiple WSO2 Products Enables Social Engineering AttacksCVE-2024-12139

Answer in brief

CVE-2024-12139 records a Medium severity (CVSS 4.3) vulnerability in Content Spoofing via Error Handling in Multiple WSO2 Products Enables Social Engineering Attacks. The current sources do not mark it as known exploited. The current feed maps WSO2/WSO2 API Manager (generic), WSO2/WSO2 Identity Server (generic), WSO2/WSO2 Identity Server as Key Manager (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Nov 2, 2026Updated Nov 2, 2026Source checked Nov 2, 2026First seen by HOL Nov 2, 2026Material review Nov 2, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.3
Exploitation
Not marked as known exploited
Affected software
3 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps WSO2/WSO2 API Manager (generic), WSO2/WSO2 Identity Server (generic), WSO2/WSO2 Identity Server as Key Manager (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
WSO2/WSO2 API Managergeneric>=3.2.1 <3.2.1.49 || >=4.1.0 <4.1.0.210 || >=4.2.0 <4.2.0.1483.2.1.49, 4.1.0.210, 4.2.0.148
WSO2/WSO2 Identity Servergeneric>=5.10.0 <5.10.0.346 || >=5.11.0 <5.11.0.385 || >=6.0.0 <6.0.0.2295.10.0.346, 5.11.0.385, 6.0.0.229
WSO2/WSO2 Identity Server as Key Managergeneric>=5.10.0 <5.10.0.3395.10.0.339

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for WSO2/WSO2 API Manager, WSO2/WSO2 Identity Server, WSO2/WSO2 Identity Server as Key Manager.
  2. 2Review the reported fix. Source-reported solution: Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2024-3805/#solution

Evidence timeline and material changes

  1. Published upstream

    Nov 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 2, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 2, 2026

Sources and claim methodology

  • Source referencesecurity.docs.wso2.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 2, 2026
References
1 linked source
Open source record