WSO2 API Manager: Mehrere Schwachstellen
WID-SEC-2026-4251 · first 30.10.2026 · updated 30.10.2026 · CVSS 6,1
What it is about
WSO2 API Manager ist eine Open-Source-Plattform für das Management von APIs, die deren Erstellung, Veröffentlichung, Steuerung und Analyse ermöglicht. Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in WSO2 API Manager ausnutzen, um beliebigen Programmcode auszuführen, Informationen auszulesen, Dateien zu manipulieren, oder einen Denial of Service Angriff durchzuführen.
Under what conditions?
Over the network and without logging in. This is the most dangerous combination: attackers can scan reachable devices automatically.
What can happen in the worst case
An attacker could use the vulnerability to
- beliebigen Programmcode auszuführen
- Informationen auszulesen
- Dateien zu manipulieren
- oder einen Denial of Service Angriff durchzuführen
Am I affected?
Affected according to the BSI:
- Open Source WSO2 API Manager
The installed version is usually shown under “Help → About” or in the device’s admin interface.
What helps?
Install the updates provided by the vendor; details in the sources below.
Is the vulnerability already being exploited?
None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.
Information and sources
- Original BSI advisory (WID)
- WSO2 Security Announcement vom 2026-10-29 security.docs.wso2.com
- WSO2 Security Announcement vom 2026-10-29 security.docs.wso2.com
CVE: CVE-2026-11854, CVE-2026-3583
Source: BSI warning and information service (CERT-Bund); CISA. The assessment of the conditions is my reading of the BSI text; the external pages are in their original language.