CVE-2026-5430 WSO2 Multiple Products: security feature bypass
In plain words: A built-in safety check — like a warning before opening a downloaded file — can be skipped. Makes other attacks, like malicious downloads, work without the usual warning.
Confirmed exploited by CISA on · US federal patch deadline Sep 27, 2026
What to do
- Install WSO2's security update for Multiple Products. If no update exists, follow the vendor's workaround or stop using the product until one ships.
- Patch edge devices first — attackers often start scanning for them within hours of a fix.
- Never expose the device's admin page to the internet.
- After patching a device that was exposed, follow the vendor's compromise checks, end active sessions and change passwords.
Who is affected
Work IT. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.
What's at risk: They face the internet and guard the whole network, so a flaw here can hand attackers a way in — and these devices usually run no antivirus, so break-ins go unnoticed.
The details
- Official name
- WSO2 Multiple Products Path Traversal Vulnerability
- Product
- WSO2 Multiple Products
- CISA description
- WSO2 API Control Plane, API Manager, Traffic Manager & Universal Gateway contain a path traversal vulnerability that could allow for unrestricted file upload and lead to remote code execution.
- Type of flaw
- Security feature bypass (CWE-347)
- Confirmed exploited
- Sep 24, 2026
- US federal patch deadline
- Sep 27, 2026
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Answering about CVE-2026-5430 ·
Questions about CVE-2026-5430
Is CVE-2026-5430 being exploited?
Yes. CISA added CVE-2026-5430 to its Known Exploited Vulnerabilities catalog on Sep 24, 2026, which means there is reliable evidence of real-world attacks.
How do I fix CVE-2026-5430?
Install WSO2's security update for Multiple Products. If no update exists, follow the vendor's workaround or stop using the product until one ships. Patch edge devices first — attackers often start scanning for them within hours of a fix.
Am I affected by CVE-2026-5430?
Only if you use WSO2 Multiple Products. Aimed mostly at company systems — you are affected through the companies you use, not your own phone.