Exploited vulnerability · CISA KEV

Is CVE-2026-5430 exploited? Yes: in CISA KEV since 24 Sep 2026

Gociux · WSO2 Multiple Products · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2026-5430, WSO2 Multiple Products Path Traversal Vulnerability , is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 24 Sep 2026, 49 days after it was published. It affects WSO2 Multiple Products. If you run it, CISA's required action is: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

What it is

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.

What to do

1. Check whether you run it. Look for Multiple Products in your asset inventory, including appliances and cloud images. Stack check lists every exploited WSO2 CVE at once.
2. Apply the fix. Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 6 Aug 2026.
4. Get told next time. Email alerts when CISA adds a CVE for WSO2.

Other exploited CVEs in Multiple Products

• CVE-2022-29464: WSO2 Multiple Products Unrestrictive Upload of File Vulnerability (25 Apr 2022)

References

• security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/W
• nvd.nist.gov/vuln/detail/CVE-2026-5430

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in September 2026 · WSO2 scorecard · act-now radar.